diff -Naur fluxbox-1.3.2/util/startfluxbox.in fluxbox-1.3.2-magellan/util/startfluxbox.in
--- fluxbox-1.3.2/util/startfluxbox.in	2011-10-29 15:46:15.000000000 +0200
+++ fluxbox-1.3.2-magellan/util/startfluxbox.in	2011-11-30 12:52:03.205982797 +0100
@@ -23,10 +23,16 @@
     shift
 done
 
+CK_LAUNCH_SESSION=""
+if test "x$XDG_SESSION_COOKIE" = "x" && [ -x /usr/bin/ck-launch-session ]
+then
+  CK_LAUNCH_SESSION="/usr/bin/ck-launch-session"
+fi
+
 if [ -x "$startup" ]; then
-    exec "$startup"
+    exec $CK_LAUNCH_SESSION "$startup"
 elif [ -r "$startup" ]; then
-    exec sh "$startup"
+    exec $CK_LAUNCH_SESSION sh "$startup"
 else
     if [ ! -d $fluxdir ]; then
         mkdir -p "$fluxdir/backgrounds" "$fluxdir/styles" "$fluxdir/pixmaps"
@@ -60,5 +66,5 @@
     ) > "$startup"
     fi
     chmod 644 "$startup"
-    exec sh "$startup"
+    exec $CK_LAUNCH_SESSION sh "$startup"
 fi