Index: gtkwindow.c
===================================================================
--- gtkwindow.c	(Revision 18673)
+++ gtkwindow.c	(Arbeitskopie)
@@ -1574,6 +1574,7 @@
   g_signal_connect_object (accel_group, "accel_changed",
 			   G_CALLBACK (gtk_window_notify_keys_changed),
 			   window, G_CONNECT_SWAPPED);
+  gtk_window_notify_keys_changed (window);
 }
 
 /**
