--- a/garglk/gargoyle.desktop
+++ b/garglk/gargoyle.desktop
@@ -4,7 +4,7 @@ Type=Application
 Name=Gargoyle
 GenericName=Interactive Fiction interpreter
 Comment=Interactive Fiction multi-interpreter that supports all major IF formats
-Icon=gargoyle-house.png
+Icon=gargoyle-house
 Exec=gargoyle
 Categories=Game;
 MimeType=application/x-adrift;application/x-advsys;application/x-agt;application/x-alan;application/x-blorb;application/x-glulx;application/x-hugo;application/x-level9;application/x-magscroll;application/x-tads;application/x-t3vm-image;application/x-zmachine;