diff --git a/knights/knights.desktop b/knights/knights.desktop
index c06b79e..997c276 100644
--- a/knights/knights.desktop
+++ b/knights/knights.desktop
@@ -7,7 +7,7 @@ Name=Knights
 GenericName=Chess Game
 Comment=A graphical chess interface
 X-TDE-InitialPreference=1
-MimeType=application/x-chess-pgn,Application
-X-TDE-ServiceTypes=
+MimeType=application/x-chess-pgn
 X-DocPath=knights/index.html
 Terminal=false
+Categories=Qt;TDE;Game;BoardGame;