diff --git a/src/gui/curses/gui-curses-main.c b/src/gui/curses/gui-curses-main.c
index 7355f7dee..0d4cabbdb 100644
--- a/src/gui/curses/gui-curses-main.c
+++ b/src/gui/curses/gui-curses-main.c
@@ -281,7 +281,7 @@ gui_main_signal_sigwinch ()
 void
 gui_main_handle_quit_signals ()
 {
-    char str_signal[64], str_weechat_signal[64];
+    char str_signal[32], str_weechat_signal[64];
     int rc;
 
     switch (weechat_quit_signal)
diff --git a/src/gui/gui-color.c b/src/gui/gui-color.c
index b20d704f4..f92f3f052 100644
--- a/src/gui/gui-color.c
+++ b/src/gui/gui-color.c
@@ -240,7 +240,7 @@ const char *
 gui_color_get_custom (const char *color_name)
 {
     int fg, bg, fg_term, bg_term, term_color;
-    static char color[32][32];
+    static char color[32][96];
     static int index_color = 0;
     char color_fg[32], color_bg[32];
     char *pos_delim, *str_fg, *pos_bg, *error, *color_attr;