--- nautilus.desktop.in
+++ nautilus.desktop.in
@@ -9,6 +9,7 @@
 StartupNotify=true
 Type=Application
 Categories=GNOME;Application;System;Utility;Core;
+MimeType=inode/directory
 OnlyShowIn=GNOME;
 DocPath=user-guide#gosnautilus-1
 X-GNOME-Bugzilla-Bugzilla=GNOME