diff -Nur openbox-3.0-rc1.orig/openbox/mouse.c openbox-3.0-rc1/openbox/mouse.c
--- openbox-3.0-rc1.orig/openbox/mouse.c	2003-09-26 18:45:45.000000000 +0200
+++ openbox-3.0-rc1/openbox/mouse.c	2003-10-02 18:55:01.000000000 +0200
@@ -192,10 +192,11 @@
         button = e->xbutton.button;
         state = e->xbutton.state;
 
-        fire_binding(OB_MOUSE_ACTION_PRESS, context,
+        if (fire_binding(OB_MOUSE_ACTION_PRESS, context,
                      client, e->xbutton.state,
                      e->xbutton.button,
-                     e->xbutton.x_root, e->xbutton.y_root);
+                     e->xbutton.x_root, e->xbutton.y_root) && (button <= 3))
+          break;
 
         if (CLIENT_CONTEXT(context, client)) {
             /* Replay the event, so it goes to the client*/