--- src/interface.c	2008-10-03 22:57:25.000000000 +0800
+++ src/interface.c.new	2008-10-03 23:16:00.444318327 +0800
@@ -289,7 +289,15 @@
 
   window1 = gtk_window_new (GTK_WINDOW_TOPLEVEL);
   gtk_window_set_title (GTK_WINDOW (window1), _("Geany"));
-
+	/* Set the colour map */
+	GdkScreen *screen = gtk_widget_get_screen(window1);
+	GdkColormap *colormap = gdk_screen_get_rgba_colormap (screen);
+
+	if (colormap && gdk_screen_is_composited (screen))
+	{
+		gtk_widget_set_default_colormap(colormap);
+	}
+	/* End set colour map */
   vbox1 = gtk_vbox_new (FALSE, 0);
   gtk_widget_show (vbox1);
   gtk_container_add (GTK_CONTAINER (window1), vbox1);