diff -Nur exo-0.7.2.orig/exo-helper/exo-preferred-applications.desktop.in exo-0.7.2/exo-helper/exo-preferred-applications.desktop.in
--- exo-0.7.2.orig/exo-helper/exo-preferred-applications.desktop.in	2012-03-28 09:15:15.000000000 -0600
+++ exo-0.7.2/exo-helper/exo-preferred-applications.desktop.in	2012-04-01 21:19:24.762754983 -0600
@@ -3,7 +3,7 @@
 Exec=exo-preferred-applications
 Icon=preferences-desktop-default-applications
 Type=Application
-Categories=XFCE;GTK;Settings;DesktopSettings;X-XFCE-SettingsDialog;X-XFCE-PersonalSettings;
+Categories=X-XFCE;GTK;Settings;DesktopSettings;X-XFCE-SettingsDialog;X-XFCE-PersonalSettings;
 OnlyShowIn=XFCE;
 Terminal=false
 StartupNotify=true