--- etc/desktop/proofgeneral.desktop.orig	Thu Dec  8 07:40:38 2005
+++ etc/desktop/proofgeneral.desktop	Thu Dec  8 07:41:03 2005
@@ -5,7 +5,7 @@
 Name=Proof General
 GenericName=Theorem proving environment
 Comment=Organise your proofs!
-Icon=proofgeneral.png
+Icon=%%PREFIX%%/share/pixmaps/proofgeneral.png
 FilePattern=proofgeneral
 TryExec=proofgeneral
 Exec=proofgeneral %F