diff --git a/src/fe-common/core/fe-channels.c b/src/fe-common/core/fe-channels.c
index 2802e933..532b1bf8 100644
--- a/src/fe-common/core/fe-channels.c
+++ b/src/fe-common/core/fe-channels.c
@@ -275,7 +275,7 @@ static void cmd_channel_add_modify(const char *data, gboolean add)
 
 	rec = channel_setup_find(channel, chatnet);
 	if (rec == NULL) {
-		if (!add) {
+		if (add == FALSE) {
 			cmd_params_free(free_arg);
 			printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE,
 				TXT_CHANSETUP_NOT_FOUND, channel, chatnet);
diff --git a/src/fe-common/core/fe-server.c b/src/fe-common/core/fe-server.c
index d6f2841b..468cb707 100644
--- a/src/fe-common/core/fe-server.c
+++ b/src/fe-common/core/fe-server.c
@@ -124,7 +124,7 @@ static void cmd_server_add_modify(const char *data, gboolean add)
 	rec = server_setup_find(addr, port, chatnet);
 
 	if (rec == NULL) {
-		if (!add) {
+		if (add == FALSE) {
 			cmd_params_free(free_arg);
 			printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE,
 				TXT_SETUPSERVER_NOT_FOUND, addr, port);
diff --git a/src/fe-common/irc/fe-ircnet.c b/src/fe-common/irc/fe-ircnet.c
index b2605379..b70a9ea7 100644
--- a/src/fe-common/irc/fe-ircnet.c
+++ b/src/fe-common/irc/fe-ircnet.c
@@ -103,7 +103,7 @@ static void cmd_network_add_modify(const char *data, gboolean add)
 
 	rec = ircnet_find(name);
 	if (rec == NULL) {
-		if (!add) {
+		if (add == FALSE) {
 			cmd_params_free(free_arg);
 			printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE,
 				IRCTXT_NETWORK_NOT_FOUND, name);