diff --git a/awesome.c b/awesome.c
index 2412f17a..b2657a15 100644
--- a/awesome.c
+++ b/awesome.c
@@ -159,7 +159,7 @@ scan(void)
             state = xwindow_get_state_reply(state_wins[i]);
 
             if(!attr_r || attr_r->override_redirect
-               || attr_r->map_state == XCB_MAP_STATE_UNVIEWABLE
+               || attr_r->map_state == XCB_MAP_STATE_UNMAPPED
                || state == XCB_WM_STATE_WITHDRAWN)
             {
                 geom_wins[i] = NULL;