diff --git a/src/log.c b/src/log.c
index e4c7f305..e4e6e809 100644
--- a/src/log.c
+++ b/src/log.c
@@ -380,7 +380,11 @@ _chat_log_chat(const char * const login, const char * const other,
         g_hash_table_replace(logs, strdup(other), dated_log);
     }
 
-    if (timestamp == NULL) timestamp = g_date_time_new_now_local();
+    if (timestamp == NULL) {
+        timestamp = g_date_time_new_now_local();
+    } else {
+        g_date_time_ref(timestamp);
+    }
 
     gchar *date_fmt = g_date_time_format(timestamp, "%H:%M:%S");
     FILE *logp = fopen(dated_log->filename, "a");
@@ -407,6 +411,7 @@ _chat_log_chat(const char * const login, const char * const other,
     }
 
     g_free(date_fmt);
+    g_date_time_unref(timestamp);
 }
 
 void
diff --git a/src/pgp/gpg.c b/src/pgp/gpg.c
index 80aba996..1ca184d0 100644
--- a/src/pgp/gpg.c
+++ b/src/pgp/gpg.c
@@ -317,6 +317,8 @@ p_gpg_verify(const char * const barejid, const char *const sign)
 
     gpgme_data_release(sign_data);
     gpgme_data_release(plain_data);
+    gpgme_release(ctx);
+    free(sign_with_header_footer);
 }
 
 char*
diff --git a/src/xmpp/iq.c b/src/xmpp/iq.c
index db817e13..496e9caa 100644
--- a/src/xmpp/iq.c
+++ b/src/xmpp/iq.c
@@ -892,6 +892,8 @@ _version_result_handler(xmpp_conn_t * const conn, xmpp_stanza_t * const stanza,
         log_warning("From attribute specified different JID, using original JID.");
     }
 
+    xmpp_ctx_t *ctx = xmpp_conn_get_context(conn);
+
     Jid *jidp = jid_create((char*)userdata);
     const char *presence = NULL;
     if (muc_active(jidp->barejid)) {
@@ -902,6 +904,9 @@ _version_result_handler(xmpp_conn_t * const conn, xmpp_stanza_t * const stanza,
         Resource *resource = p_contact_get_resource(contact, jidp->resourcepart);
         if (!resource) {
             ui_handle_software_version_error(jidp->fulljid, "Unknown resource");
+            if (name_str) xmpp_free(ctx, name_str);
+            if (version_str) xmpp_free(ctx, version_str);
+            if (os_str) xmpp_free(ctx, os_str);
             return 0;
         }
         presence = string_from_resource_presence(resource->presence);
@@ -912,6 +917,10 @@ _version_result_handler(xmpp_conn_t * const conn, xmpp_stanza_t * const stanza,
     jid_destroy(jidp);
     free(userdata);
 
+    if (name_str) xmpp_free(ctx, name_str);
+    if (version_str) xmpp_free(ctx, version_str);
+    if (os_str) xmpp_free(ctx, os_str);
+
     return 0;
 }