diff -ur a/capplets/keybindings/gnome-keybinding-properties.c b/capplets/keybindings/gnome-keybinding-properties.c
--- a/capplets/keybindings/gnome-keybinding-properties.c	2010-01-26 09:46:31.000000000 +0100
+++ b/capplets/keybindings/gnome-keybinding-properties.c	2010-03-18 13:40:29.864915435 +0100
@@ -1320,7 +1320,7 @@
   client = gconf_client_get_default();
   gconf_client_set_string (client,
 			   key_entry->gconf_key,
-			   "",
+			   "disabled",
 			   &err);
   g_object_unref (client);
 
