Index: main.c
===================================================================
--- main.c	(revision 25872)
+++ main.c	(working copy)
@@ -178,7 +178,7 @@
             popup_windowlist(gscreen, button, evt->time);
             return TRUE;
         } else if(button == 3 || (button == 1 && (state & GDK_SHIFT_MASK))) {
-            popup_desktop_menu(gscreen, button, evt->time);
+            popup_desktop_menu(gscreen, 0, evt->time);
             return TRUE;
         }
     }