--- wireshark.desktop
+++ wireshark.desktop
@@ -68,9 +68,10 @@
 Comment[fi]=Verkkoliikenne analysaattori
 Comment[fr]=Analyseur de trafic réseau
 Comment[sv]=Nätverkstrafikanalysator
-Icon=wireshark.png
+Icon=wireshark
 TryExec=wireshark
 Exec=wireshark
+X-KDE-SubstituteUID=true
 Terminal=false
 # Categorie entry according to version 1.0 of
 # http://www.freedesktop.org/wiki/Specifications/menu-spec