--- gtk+.sav/gdk/directfb/gdkmain-directfb.c.orig	2005-05-06 17:44:51.000000000 +0000
+++ gtk+.sav/gdk/directfb/gdkmain-directfb.c	2005-05-06 16:07:01.000000000 +0000
@@ -613,7 +613,7 @@
     }
 
   w = window;
-  while (w != _gdk_parent_root)
+  while (w && w != _gdk_parent_root)
     {
       /* Huge hack, so that we don't propagate events to GtkWindow->frame */
       if ((w != window) &&