--- a/data/scripts/Xsession	2016-08-28 14:52:04.910181422 +0200
+++ b/data/scripts/Xsession	2016-08-28 14:53:07.157184480 +0200
@@ -91,5 +91,5 @@
 if [ -z "$@" ]; then
     exec xmessage -center -buttons OK:0 -default OK "Sorry, $DESKTOP_SESSION is no valid session."
 else
-    exec $@
+    exec ck-launch-session $@
 fi