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