--- gnome-do-0.8.2/libdo/keybinder.c	2010-05-07 08:34:24.000000000 +0300
+++ gnome-do-0.8.2/libdo/keybinder.c	2010-05-07 08:35:06.000000000 +0300
@@ -134,6 +134,8 @@
 	egg_keymap_resolve_virtual_modifiers (keymap,
 					      virtual_mods,
 					      &binding->modifiers);
+	if (binding->modifiers == 0)
+		return FALSE;
 
 	TRACE (g_print ("Got modmask %d\n", binding->modifiers));