--- acidwarp.desktop.orig	2017-05-13 15:07:16 UTC
+++ acidwarp.desktop
@@ -2,7 +2,7 @@
 Encoding=UTF-8
 Name=Acidwarp
 GenericName=View color cycling patterns
-Icon=acidwarp
+Icon=%%PREFIX%%/share/pixmaps/acidwarp.png
 Exec=acidwarp
 Terminal=false
 Type=Application