1 diff --git a/musca.c b/musca.c
2 index 794bb9c..726c5a6 100644
5 @@ -3202,7 +3202,7 @@ void mapnotify(XEvent *ev)
7 head *h = head_by_root(ws->attr.root);
8 if (is_netwmstate(ws->state, NetWMStateFullscreen))
9 - stack_push(h->fullscreen, (void*)ws);
10 + stack_push(h->fullscreen, (void*)ws->w);
12 if (ws->attr.override_redirect || is_netwmstate(ws->state, NetWMStateAbove))
13 stack_push(h->above, (void*)ws->w);