diff --git a/src/admin.c b/src/admin.c
index e36dc4e3..56f6e64f 100644
--- a/src/admin.c
+++ b/src/admin.c
@@ -295,7 +295,7 @@ void admin_send_response (xmlDocPtr doc, client_t *client,
 				     NULL, NULL);
         if (ret == -1) {
             ICECAST_LOG_ERROR("Dropping client as we can not build response headers.");
-            client_send_500(client, "Header generation failed.");
+            client_send_error(client, 500, 0, "Header generation failed.");
             xmlFree(buff);
             return;
         } else if (buf_len < (len + ret + 64)) {
@@ -312,13 +312,13 @@ void admin_send_response (xmlDocPtr doc, client_t *client,
                                              NULL, NULL);
                 if (ret == -1) {
                     ICECAST_LOG_ERROR("Dropping client as we can not build response headers.");
-                    client_send_500(client, "Header generation failed.");
+                    client_send_error(client, 500, 0, "Header generation failed.");
                     xmlFree(buff);
                     return;
                 }
             } else {
                 ICECAST_LOG_ERROR("Client buffer reallocation failed. Dropping client.");
-                client_send_500(client, "Buffer reallocation failed.");
+                client_send_error(client, 500, 0, "Buffer reallocation failed.");
                 xmlFree(buff);
                 return;
             } 
@@ -361,7 +361,7 @@ void admin_handle_request(client_t *client, const char *uri)
     if (!((strcmp(uri, "/admin.cgi") == 0) ||
          (strncmp("/admin/", uri, 7) == 0))) {
         ICECAST_LOG_ERROR("Internal error: admin request isn't");
-        client_send_401(client);
+        client_send_error(client, 401, 1, "You need to authenticate\r\n");
         return;
     }
 
@@ -378,7 +378,7 @@ void admin_handle_request(client_t *client, const char *uri)
     if(command < 0) {
         ICECAST_LOG_ERROR("Error parsing command string or unrecognised command: %s",
                 command_string);
-        client_send_400(client, "Unrecognised command");
+        client_send_error(client, 400, 0, "Unrecognised command");
         return;
     }
 
@@ -391,7 +391,7 @@ void admin_handle_request(client_t *client, const char *uri)
 
         if (pass == NULL)
         {
-            client_send_400 (client, "missing pass parameter");
+            client_send_error(client, 400, 0, "missing pass parameter");
             return;
         }
         global_lock();
@@ -430,7 +430,7 @@ void admin_handle_request(client_t *client, const char *uri)
                 default:
                     ICECAST_LOG_INFO("Bad or missing password on mount modification admin "
                             "request (command: %s)", command_string);
-                    client_send_401(client);
+                    client_send_error(client, 401, 1, "You need to authenticate\r\n");
                     /* fall through */
                 case 1:
                     return;
@@ -445,7 +445,7 @@ void admin_handle_request(client_t *client, const char *uri)
             ICECAST_LOG_WARN("Admin command %s on non-existent source %s", 
                     command_string, mount);
             avl_tree_unlock(global.source_tree);
-            client_send_400(client, "Source does not exist");
+            client_send_error(client, 400, 0, "Source does not exist");
         }
         else
         {
@@ -454,7 +454,7 @@ void admin_handle_request(client_t *client, const char *uri)
                 avl_tree_unlock (global.source_tree);
                 ICECAST_LOG_INFO("Received admin command %s on unavailable mount \"%s\"",
                         command_string, mount);
-                client_send_400 (client, "Source is not available");
+                client_send_error(client, 400, 0, "Source is not available");
                 return;
             }
             if (command == COMMAND_SHOUTCAST_METADATA_UPDATE &&
@@ -463,7 +463,7 @@ void admin_handle_request(client_t *client, const char *uri)
                 avl_tree_unlock (global.source_tree);
                 ICECAST_LOG_ERROR("illegal change of metadata on non-shoutcast "
                         "compatible stream");
-                client_send_400 (client, "illegal metadata call");
+                client_send_error(client, 400, 0, "illegal metadata call");
                 return;
             }
             ICECAST_LOG_INFO("Received admin command %s on mount \"%s\"", 
@@ -481,7 +481,7 @@ void admin_handle_request(client_t *client, const char *uri)
             if(!connection_check_relay_pass(client->parser)) {
                 ICECAST_LOG_INFO("Bad or missing password on admin command "
                       "request (command: %s)", command_string);
-                client_send_401(client);
+                client_send_error(client, 401, 1, "You need to authenticate\r\n");
                 return;
             }
         }
@@ -489,7 +489,7 @@ void admin_handle_request(client_t *client, const char *uri)
             if(!connection_check_admin_pass(client->parser)) {
                 ICECAST_LOG_INFO("Bad or missing password on admin command "
                       "request (command: %s)", command_string);
-                client_send_401(client);
+                client_send_error(client, 401, 1, "You need to authenticate\r\n");
                 return;
             }
         }
@@ -533,7 +533,7 @@ static void admin_handle_general_request(client_t *client, int command)
             break;
         default:
             ICECAST_LOG_WARN("General admin request not recognised");
-            client_send_400(client, "Unknown admin request");
+            client_send_error(client, 400, 0, "Unknown admin request");
             return;
     }
 }
@@ -601,7 +601,7 @@ static void admin_handle_mount_request(client_t *client, source_t *source,
             break;
         default:
             ICECAST_LOG_WARN("Mount request not recognised");
-            client_send_400(client, "Mount request unknown");
+            client_send_error(client, 400, 0, "Mount request unknown");
             break;
     }
 }
@@ -610,7 +610,7 @@ static void admin_handle_mount_request(client_t *client, source_t *source,
     do { \
         (var) = httpp_get_query_param((client)->parser, (name)); \
         if((var) == NULL) { \
-            client_send_400((client), "Missing parameter"); \
+            client_send_error((client), 400, 0, "Missing parameter"); \
             return; \
         } \
     } while(0);
@@ -628,7 +628,7 @@ static void html_success(client_t *client, char *message)
 
     if (ret == -1 || ret >= PER_CLIENT_REFBUF_SIZE) {
         ICECAST_LOG_ERROR("Dropping client as we can not build response headers.");
-        client_send_500(client, "Header generation failed.");
+        client_send_error(client, 500, 0, "Header generation failed.");
         return;
     }
 
@@ -669,19 +669,19 @@ static void command_move_clients(client_t *client, source_t *source,
 
     if (dest == NULL)
     {
-        client_send_400 (client, "No such destination");
+        client_send_error(client, 400, 0, "No such destination");
         return;
     }
 
     if (strcmp (dest->mount, source->mount) == 0)
     {
-        client_send_400 (client, "supplied mountpoints are identical");
+        client_send_error(client, 400, 0, "supplied mountpoints are identical");
         return;
     }
 
     if (dest->running == 0 && dest->on_demand == 0)
     {
-        client_send_400 (client, "Destination not running");
+        client_send_error(client, 400, 0, "Destination not running");
         return;
     }
 
@@ -798,7 +798,7 @@ static void command_buildm3u(client_t *client,  const char *mount)
 
     if (ret == -1 || ret >= (PER_CLIENT_REFBUF_SIZE - 512)) { /* we want at least 512 Byte left for data */
         ICECAST_LOG_ERROR("Dropping client as we can not build response headers.");
-        client_send_500(client, "Header generation failed.");
+        client_send_error(client, 500, 0, "Header generation failed.");
         return;
     }
 
@@ -908,7 +908,7 @@ static void command_manageauth(client_t *client, source_t *source,
     } while (0);
 
     config_release_config ();
-    client_send_400 (client, "missing parameter");
+    client_send_error(client, 400, 0, "missing parameter");
 }
 
 static void command_kill_source(client_t *client, source_t *source,
@@ -1079,7 +1079,7 @@ static void command_shoutcast_metadata(client_t *client, source_t *source)
 
     if (strcmp (action, "updinfo") != 0)
     {
-        client_send_400 (client, "No such action");
+        client_send_error(client, 400, 0, "No such action");
         return;
     }
     if (source->client && strcmp (client->con->ip, source->client->con->ip) != 0)
@@ -1097,7 +1097,7 @@ static void command_shoutcast_metadata(client_t *client, source_t *source)
     }
     else
     {
-        client_send_400 (client, "mountpoint will not accept URL updates");
+        client_send_error(client, 400, 0, "mountpoint will not accept URL updates");
     }
 }
 
@@ -1144,7 +1144,7 @@ static void command_list_mounts(client_t *client, int response)
 
         if (ret == -1 || ret >= PER_CLIENT_REFBUF_SIZE) {
             ICECAST_LOG_ERROR("Dropping client as we can not build response headers.");
-            client_send_500(client, "Header generation failed.");
+            client_send_error(client, 500, 0, "Header generation failed.");
             return;
         }
 
diff --git a/src/auth.c b/src/auth.c
index fdf80fbb..dc9fc108 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -167,7 +167,7 @@ static void auth_client_free (auth_client *auth_user)
         if (client->respcode)
             client_destroy (client);
         else
-            client_send_401 (client);
+            client_send_error(client, 401, 1, "You need to authenticate\r\n");
         auth_user->client = NULL;
     }
     free (auth_user->mount);
@@ -492,7 +492,7 @@ int auth_postprocess_listener (auth_client *auth_user)
     config_release_config();
 
     if (ret < 0)
-        client_send_401 (auth_user->client);
+        client_send_error(auth_user->client, 401, 1, "You need to authenticate\r\n");
     auth_user->client = NULL;
 
     return ret;
@@ -535,7 +535,7 @@ void auth_add_listener (const char *mount, client_t *client)
     if (mountinfo && mountinfo->no_mount)
     {
         config_release_config ();
-        client_send_403 (client, "mountpoint unavailable");
+        client_send_error(client, 403, 1, "mountpoint unavailable");
         return;
     }
     if (mountinfo && mountinfo->auth)
@@ -546,7 +546,7 @@ void auth_add_listener (const char *mount, client_t *client)
         {
             config_release_config ();
             ICECAST_LOG_WARN("too many clients awaiting authentication");
-            client_send_403 (client, "busy, please try again later");
+            client_send_error(client, 403, 1, "busy, please try again later");
             return;
         }
         auth_user = auth_client_setup (mount, client);
@@ -560,7 +560,7 @@ void auth_add_listener (const char *mount, client_t *client)
         int ret = add_authenticated_listener (mount, mountinfo, client);
         config_release_config ();
         if (ret < 0)
-            client_send_403 (client, "max listeners reached");
+            client_send_error(client, 403, 1, "max listeners reached");
     }
 }
 
diff --git a/src/client.c b/src/client.c
index c302cf48..70cb2892 100644
--- a/src/client.c
+++ b/src/client.c
@@ -47,6 +47,8 @@
 #undef CATMODULE
 #define CATMODULE "client"
 
+static inline void client_send_500(client_t *client, const char *message);
+
 /* create a client_t with the provided connection and parser details. Return
  * 0 on success, -1 if server limit has been reached.  In either case a
  * client_t is returned just in case a message needs to be returned. Should
@@ -183,10 +185,15 @@ int client_read_bytes (client_t *client, void *buf, unsigned len)
     return bytes;
 }
 
-static void client_send_error(client_t *client, int status, int plain, const char *message)
+void client_send_error(client_t *client, int status, int plain, const char *message)
 {
     ssize_t ret;
 
+    if (status == 500) {
+         client_send_500(client, message);
+         return;
+    }
+
     ret = util_http_build_header(client->refbuf->data, PER_CLIENT_REFBUF_SIZE, 0,
                                  0, status, NULL,
                                  plain ? "text/plain" : "text/html", "utf-8",
@@ -214,28 +221,8 @@ void client_send_100(client_t *client)
     sock_write (client->con->sock, "HTTP/1.1 100 Continue\r\n\r\n");
 }
 
-void client_send_400(client_t *client, const char *message)
-{
-    client_send_error(client, 400, 0, message);
-}
-
-void client_send_404(client_t *client, const char *message)
-{
-    client_send_error(client, 404, 0, message);
-}
-
-void client_send_401(client_t *client)
-{
-    client_send_error(client, 401, 1, "You need to authenticate\r\n");
-}
-
-void client_send_403(client_t *client, const char *message)
-{
-    client_send_error(client, 403, 1, message);
-}
-
 /* this function is designed to work even if client is in bad state */
-void client_send_500(client_t *client, const char *message) {
+static inline void client_send_500(client_t *client, const char *message) {
     const char header[] = "HTTP/1.0 500 Internal Server Error\r\nContent-Type: text/plain; charset=utf-8\r\n\r\n"
                           "500 - Internal Server Error\n---------------------------\n";
     const size_t header_len = sizeof(header) - 1;
diff --git a/src/client.h b/src/client.h
index c89e1025..943763ee 100644
--- a/src/client.h
+++ b/src/client.h
@@ -70,12 +70,8 @@ typedef struct _client_tag
 
 int client_create (client_t **c_ptr, connection_t *con, http_parser_t *parser);
 void client_destroy(client_t *client);
+void client_send_error(client_t *client, int status, int plain, const char *message);
 void client_send_100(client_t *client);
-void client_send_404(client_t *client, const char *message);
-void client_send_401(client_t *client);
-void client_send_403(client_t *client, const char *message);
-void client_send_400(client_t *client, const char *message);
-void client_send_500(client_t *client, const char *message);
 int client_send_bytes (client_t *client, const void *buf, unsigned len);
 int client_read_bytes (client_t *client, void *buf, unsigned len);
 void client_set_queue (client_t *client, refbuf_t *refbuf);
diff --git a/src/connection.c b/src/connection.c
index 5ffc0a6c..b40a2ec3 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -732,7 +732,7 @@ void connection_accept_loop (void)
             if (client_create (&client, con, NULL) < 0)
             {
                 global_unlock();
-                client_send_403 (client, "Icecast connection limit reached");
+                client_send_error(client, 403, 1, "Icecast connection limit reached");
                 /* don't be too eager as this is an imposed hard limit */
                 thread_sleep (400000);
                 continue;
@@ -823,7 +823,7 @@ int connection_complete_source (source_t *source, int response)
                 config_release_config();
                 global_unlock();
                 if (response) {
-                    client_send_403 (source->client, "Content-type not supported");
+                    client_send_error(source->client, 403, 1, "Content-type not supported");
                     source->client = NULL;
                 }
                 ICECAST_LOG_WARN("Content-type \"%s\" not supported, dropping source", contenttype);
@@ -833,7 +833,7 @@ int connection_complete_source (source_t *source, int response)
             config_release_config();
             global_unlock();
             if (response) {
-                client_send_403 (source->client, "No Content-type given");
+                client_send_error(source->client, 403, 1, "No Content-type given");
                 source->client = NULL;
             }
             ICECAST_LOG_ERROR("Content-type not given in PUT request, dropping source");
@@ -851,7 +851,7 @@ int connection_complete_source (source_t *source, int response)
             config_release_config();
             if (response)
             {
-                client_send_403 (source->client, "internal format allocation problem");
+                client_send_error(source->client, 403, 1, "internal format allocation problem");
                 source->client = NULL;
             }
             ICECAST_LOG_WARN("plugin format failed for \"%s\"", source->mount);
@@ -896,7 +896,7 @@ int connection_complete_source (source_t *source, int response)
 
     if (response)
     {
-        client_send_403 (source->client, "too many sources connected");
+        client_send_error(source->client, 403, 1, "too many sources connected");
         source->client = NULL;
     }
 
@@ -1053,7 +1053,7 @@ static void _handle_source_request (client_t *client, const char *uri)
     if (uri[0] != '/')
     {
         ICECAST_LOG_WARN("source mountpoint not starting with /");
-        client_send_401 (client);
+        client_send_error(client, 401, 1, "You need to authenticate\r\n");
         return;
     }
     switch (client_check_source_auth (client, uri))
@@ -1067,7 +1067,7 @@ static void _handle_source_request (client_t *client, const char *uri)
 
         default: /* failed */
             ICECAST_LOG_INFO("Source (%s) attempted to login with invalid or missing password", uri);
-            client_send_401(client);
+            client_send_error(client, 401, 1, "You need to authenticate\r\n");
             break;
     }
 }
@@ -1110,7 +1110,7 @@ void source_startup (client_t *client, const char *uri, int auth_style)
     }
     else
     {
-        client_send_403 (client, "Mountpoint in use");
+        client_send_error(client, 403, 1, "Mountpoint in use");
         ICECAST_LOG_WARN("Mountpoint %s in use", uri);
     }
 }
@@ -1122,7 +1122,7 @@ static void _handle_stats_request (client_t *client, char *uri)
 
     if (connection_check_admin_pass (client->parser) == 0)
     {
-        client_send_401 (client);
+        client_send_error(client, 401, 1, "You need to authenticate\r\n");
         ICECAST_LOG_ERROR("Bad password for stats connection");
         return;
     }
@@ -1397,7 +1397,7 @@ static void _handle_connection(void)
                 }
                 else {
                     ICECAST_LOG_ERROR("Wrong request type from client");
-                    client_send_400 (client, "unknown request");
+                    client_send_error(client, 400, 0, "unknown request");
                 }
 
                 free(uri);
diff --git a/src/format.c b/src/format.c
index 74fc055a..d0a579d3 100644
--- a/src/format.c
+++ b/src/format.c
@@ -302,7 +302,7 @@ static int format_prepare_headers (source_t *source, client_t *client)
     bytes = util_http_build_header(ptr, remaining, 0, 0, 200, NULL, source->format->contenttype, NULL, NULL, source);
     if (bytes == -1) {
         ICECAST_LOG_ERROR("Dropping client as we can not build response headers.");
-        client_send_500(client, "Header generation failed.");
+        client_send_error(client, 500, 0, "Header generation failed.");
         return -1;
     } else if ((bytes + 1024) >= remaining) { /* we don't know yet how much to follow but want at least 1kB free space */
         void *new_ptr = realloc(ptr, bytes + 1024);
@@ -313,12 +313,12 @@ static int format_prepare_headers (source_t *source, client_t *client)
             bytes = util_http_build_header(ptr, remaining, 0, 0, 200, NULL, source->format->contenttype, NULL, NULL, source);
             if (bytes == -1 ) {
                 ICECAST_LOG_ERROR("Dropping client as we can not build response headers.");
-                client_send_500(client, "Header generation failed.");
+                client_send_error(client, 500, 0, "Header generation failed.");
                 return -1;
             }
         } else {
             ICECAST_LOG_ERROR("Client buffer reallocation failed. Dropping client.");
-            client_send_500(client, "Buffer reallocation failed.");
+            client_send_error(client, 500, 0, "Buffer reallocation failed.");
             return -1;
         }
     }
diff --git a/src/fserve.c b/src/fserve.c
index fd8d4961..de4b5fe5 100644
--- a/src/fserve.c
+++ b/src/fserve.c
@@ -432,7 +432,7 @@ int fserve_client_create (client_t *httpclient, const char *path)
         if (m3u_requested == 0 && xslt_playlist_requested == NULL)
         {
             ICECAST_LOG_WARN("req for file \"%H\" %s", fullpath, strerror (errno));
-            client_send_404 (httpclient, "The file you requested could not be found");
+            client_send_error(httpclient, 404, 0, "The file you requested could not be found");
             free (fullpath);
             return -1;
         }
@@ -461,7 +461,7 @@ int fserve_client_create (client_t *httpclient, const char *path)
 				      "audio/x-mpegurl", NULL, "", NULL);
         if (ret == -1 || ret >= (BUFSIZE - 512)) { /* we want at least 512 bytes left for the content of the playlist */
             ICECAST_LOG_ERROR("Dropping client as we can not build response headers.");
-            client_send_500(httpclient, "Header generation failed.");
+            client_send_error(httpclient, 500, 0, "Header generation failed.");
             return -1;
         }
         if (host == NULL)
@@ -507,7 +507,7 @@ int fserve_client_create (client_t *httpclient, const char *path)
     if (config->fileserve == 0)
     {
         ICECAST_LOG_DEBUG("on demand file \"%H\" refused. Serving static files has been disabled in the config", fullpath);
-        client_send_404 (httpclient, "The file you requested could not be found");
+        client_send_error(httpclient, 404, 0, "The file you requested could not be found");
         config_release_config();
         free (fullpath);
         return -1;
@@ -516,7 +516,7 @@ int fserve_client_create (client_t *httpclient, const char *path)
 
     if (S_ISREG (file_buf.st_mode) == 0)
     {
-        client_send_404 (httpclient, "The file you requested could not be found");
+        client_send_error(httpclient, 404, 0, "The file you requested could not be found");
         ICECAST_LOG_WARN("found requested file but there is no handler for it: %H", fullpath);
         free (fullpath);
         return -1;
@@ -526,7 +526,7 @@ int fserve_client_create (client_t *httpclient, const char *path)
     if (file == NULL)
     {
         ICECAST_LOG_WARN("Problem accessing file \"%H\"", fullpath);
-        client_send_404 (httpclient, "File not readable");
+        client_send_error(httpclient, 404, 0, "File not readable");
         free (fullpath);
         return -1;
     }
@@ -575,7 +575,7 @@ int fserve_client_create (client_t *httpclient, const char *path)
 						NULL, NULL);
                 if (bytes == -1 || bytes >= (BUFSIZE - 512)) { /* we want at least 512 bytes left */
                     ICECAST_LOG_ERROR("Dropping client as we can not build response headers.");
-                    client_send_500(httpclient, "Header generation failed.");
+                    client_send_error(httpclient, 500, 0, "Header generation failed.");
                     return -1;
                 }
                 bytes += snprintf (httpclient->refbuf->data + bytes, BUFSIZE - bytes,
@@ -606,7 +606,7 @@ int fserve_client_create (client_t *httpclient, const char *path)
 					NULL, NULL);
         if (bytes == -1 || bytes >= (BUFSIZE - 512)) { /* we want at least 512 bytes left */
             ICECAST_LOG_ERROR("Dropping client as we can not build response headers.");
-            client_send_500(httpclient, "Header generation failed.");
+            client_send_error(httpclient, 500, 0, "Header generation failed.");
             return -1;
         }
         bytes += snprintf (httpclient->refbuf->data + bytes, BUFSIZE - bytes,
@@ -661,7 +661,7 @@ int fserve_add_client (client_t *client, FILE *file)
     ICECAST_LOG_DEBUG("Adding client to file serving engine");
     if (fclient == NULL)
     {
-        client_send_404 (client, "memory exhausted");
+        client_send_error(client, 404, 0, "memory exhausted");
         return -1;
     }
     fclient->file = file;
@@ -683,7 +683,7 @@ void fserve_add_client_callback (client_t *client, fserve_callback_t callback, v
     ICECAST_LOG_DEBUG("Adding client to file serving engine");
     if (fclient == NULL)
     {
-        client_send_404 (client, "memory exhausted");
+        client_send_error(client, 404, 0, "memory exhausted");
         return;
     }
     fclient->file = NULL;
diff --git a/src/source.c b/src/source.c
index abc51cdc..4e62ecc5 100644
--- a/src/source.c
+++ b/src/source.c
@@ -947,7 +947,7 @@ static int _free_client(void *key)
 
     /* if no response has been sent then send a 404 */
     if (client->respcode == 0)
-        client_send_404 (client, "Mount unavailable");
+        client_send_error(client, 404, 0, "Mount unavailable");
     else
         client_destroy(client);
     
diff --git a/src/xslt.c b/src/xslt.c
index a7f037c6..b6d48f80 100644
--- a/src/xslt.c
+++ b/src/xslt.c
@@ -203,7 +203,7 @@ void xslt_transform(xmlDocPtr doc, const char *xslfilename, client_t *client)
     {
         thread_mutex_unlock(&xsltlock);
         ICECAST_LOG_ERROR("problem reading stylesheet \"%s\"", xslfilename);
-        client_send_404 (client, "Could not parse XSLT file");
+        client_send_error(client, 404, 0, "Could not parse XSLT file");
         return;
     }
 
@@ -244,7 +244,7 @@ void xslt_transform(xmlDocPtr doc, const char *xslfilename, client_t *client)
         ret = util_http_build_header(refbuf->data, full_len, 0, 0, 200, NULL, mediatype, charset, NULL, NULL);
         if (ret == -1) {
             ICECAST_LOG_ERROR("Dropping client as we can not build response headers.");
-            client_send_500(client, "Header generation failed.");
+            client_send_error(client, 500, 0, "Header generation failed.");
         } else {
             if ( full_len < (ret + len + 64) ) {
                 void *new_data;
@@ -257,12 +257,12 @@ void xslt_transform(xmlDocPtr doc, const char *xslfilename, client_t *client)
                     ret = util_http_build_header(refbuf->data, full_len, 0, 0, 200, NULL, mediatype, charset, NULL, NULL);
                     if (ret == -1) {
                         ICECAST_LOG_ERROR("Dropping client as we can not build response headers.");
-                        client_send_500(client, "Header generation failed.");
+                        client_send_error(client, 500, 0, "Header generation failed.");
                         failed = 1;
                     }
                 } else {
                     ICECAST_LOG_ERROR("Client buffer reallocation failed. Dropping client.");
-                    client_send_500(client, "Buffer reallocation failed.");
+                    client_send_error(client, 500, 0, "Buffer reallocation failed.");
                     failed = 1;
                 }
             }
@@ -282,7 +282,7 @@ void xslt_transform(xmlDocPtr doc, const char *xslfilename, client_t *client)
     else
     {
         ICECAST_LOG_WARN("problem applying stylesheet \"%s\"", xslfilename);
-        client_send_404 (client, "XSLT problem");
+        client_send_error(client, 404, 0, "XSLT problem");
     }
     thread_mutex_unlock (&xsltlock);
     xmlFreeDoc(res);