--- WindowMaker/Defaults/WMWindowAttributes.in.orig	Fri Jun 24 09:24:17 2016
+++ WindowMaker/Defaults/WMWindowAttributes.in	Fri Jun 24 09:26:07 2016
@@ -2,6 +2,7 @@
   Logo.WMDock = {Icon = GNUstepGlow.#extension#;};
   Logo.WMPanel = {Icon = GNUstep.#extension#;};
   Logo.WMClip = {Icon = clip.#extension#;};
+  WPrefs = {Icon = "${TRUEPREFIX}/share/WPrefs/WPrefs.#extension#";};
   WMDrawer = {Icon = Drawer.#extension#;};
   "*" = {Icon = defaultAppIcon.#extension#;SharedAppIcon = Yes;};
 }