--- ./xutils.c.00	1999-08-16 17:51:41.000000000 +0200
+++ ./xutils.c	2007-01-29 16:41:20.000000000 +0100
@@ -176,6 +176,7 @@
     unsigned int	borderwidth = 1;
     XClassHint		classHint;
     char		*wname = argv[0];
+    char		*wclass = "DockApp";  
     XTextProperty	name;
     XGCValues		gcv;
     unsigned long	gcm;
@@ -254,7 +255,7 @@
      */
     XSetWMNormalHints(display, win, &mysizehints);
     classHint.res_name = wname;
-    classHint.res_class = wname;
+    classHint.res_class = wclass;
     XSetClassHint(display, win, &classHint);