--- a/xfcalendar.desktop.in	2009-03-01 10:13:10.349305702 -0600
+++ b/xfcalendar.desktop.in	2009-03-01 10:13:29.564307721 -0600
@@ -10,4 +10,5 @@
 Terminal=false
 Type=Application
 Categories=X-XFCE;Office;Calendar;GTK;
+OnlyShowIn=XFCE;
 _GenericName=Calendar