--- ./wmgeneral.c.00	2007-01-29 16:35:21.000000000 +0100
+++ ./wmgeneral.c	2007-01-29 16:37:16.000000000 +0100
@@ -328,6 +328,7 @@
   XClassHint classHint;
   char *display_name = NULL;
   char *wname = argv[0];
+  char *wclass = "DockApp";
   XTextProperty name;
 
   XGCValues gcv;
@@ -389,7 +390,7 @@
   /* Activate hints */
   XSetWMNormalHints (display, win, &mysizehints);
   classHint.res_name = wname;
-  classHint.res_class = wname;
+  classHint.res_class = wclass;
   XSetClassHint (display, win, &classHint);
 
   XSelectInput (display, win, ButtonPressMask | ExposureMask | ButtonReleaseMask | PointerMotionMask | StructureNotifyMask);