--- ./wmgeneral/wmgeneral.c.00	1998-08-04 03:49:00.000000000 +0200
+++ ./wmgeneral/wmgeneral.c	2007-02-18 08:20:02.000000000 +0100
@@ -321,7 +321,7 @@
 	/* Activate hints */
 	XSetWMNormalHints(display, win, &mysizehints);
 	classHint.res_name = wname;
-	classHint.res_class = wname;
+	classHint.res_class = "DockApp";
 	XSetClassHint(display, win, &classHint);
 
 	XSelectInput(display, win, ButtonPressMask | ExposureMask | ButtonReleaseMask | PointerMotionMask | StructureNotifyMask);