diff -p -up gnome-session-2.23.6/data/gnome-wm.compositing-wm gnome-session-2.23.6/data/gnome-wm
--- gnome-session-2.23.6/data/gnome-wm.compositing-wm	2008-08-04 16:55:31.000000000 +0200
+++ gnome-session-2.23.6/data/gnome-wm	2008-08-05 14:55:28.000000000 +0200
@@ -91,7 +91,7 @@ if [ ! -z "$SMID" ] ; then
     sawfish|sawmill|metacity)
       OPT1=--sm-client-id=$SMID
       ;;
-    openbox|enlightenment|e16)
+    openbox|enlightenment|e16|compositing-wm-start)
       OPT1=--sm-client-id
       OPT2=$SMID
       ;;