diff -up gnome-session-2.23.4.1/gnome-session/logout-dialog.c.icon-names gnome-session-2.23.4.1/gnome-session/logout-dialog.c
--- gnome-session-2.23.4.1/gnome-session/logout-dialog.c.icon-names	2008-07-09 16:12:41.000000000 -0400
+++ gnome-session-2.23.4.1/gnome-session/logout-dialog.c	2008-07-09 16:13:10.000000000 -0400
@@ -41,8 +41,8 @@
 
 #define AUTOMATIC_ACTION_TIMEOUT 60
 
-#define GSM_ICON_LOGOUT   "gnome-logout"
-#define GSM_ICON_SHUTDOWN "gnome-shutdown"
+#define GSM_ICON_LOGOUT   "system-logout"
+#define GSM_ICON_SHUTDOWN "system-shutdown"
 
 struct _GsmLogoutDialogPrivate 
 {