diff --git a/src/fe-gtk/xtext.c b/src/fe-gtk/xtext.c
index e151524d..e6f7b3d1 100644
--- a/src/fe-gtk/xtext.c
+++ b/src/fe-gtk/xtext.c
@@ -3204,6 +3204,7 @@ gtk_xtext_render_str (GtkXText * xtext, int y, textentry * ent,
 					if (col_num == 99)	/* mIRC lameness */
 						col_num = XTEXT_FG;
 					else
+					if (col_num > XTEXT_MAX_COLOR)
 						col_num = col_num % XTEXT_MIRC_COLS;
 					xtext->col_fore = col_num;
 					if (!mark)
@@ -3230,6 +3231,7 @@ gtk_xtext_render_str (GtkXText * xtext, int y, textentry * ent,
 						if (col_num == 99)	/* mIRC lameness */
 							col_num = XTEXT_BG;
 						else
+						if (col_num > XTEXT_MAX_COLOR)
 							col_num = col_num % XTEXT_MIRC_COLS;
 						if (col_num == XTEXT_BG)
 							xtext->backcolor = FALSE;
@@ -3243,6 +3245,7 @@ gtk_xtext_render_str (GtkXText * xtext, int y, textentry * ent,
 						if (col_num == 99)	/* mIRC lameness */
 							col_num = XTEXT_FG;
 						else
+						if (col_num > XTEXT_MAX_COLOR)
 							col_num = col_num % XTEXT_MIRC_COLS;
 						if (!mark)
 							xtext_set_fg (xtext, gc, col_num);
diff --git a/src/fe-gtk/xtext.h b/src/fe-gtk/xtext.h
index 8a4b26cf..446708be 100644
--- a/src/fe-gtk/xtext.h
+++ b/src/fe-gtk/xtext.h
@@ -58,6 +58,7 @@
 #define XTEXT_FG 34
 #define XTEXT_BG 35
 #define XTEXT_MARKER 36		/* for marker line */
+#define XTEXT_MAX_COLOR 41
 
 typedef struct _GtkXText GtkXText;
 typedef struct _GtkXTextClass GtkXTextClass;