if (XQueryTree(display, root, &d1, &d2, &wins, &num)) {
for (i = 0; i < num; i++) {
if (!XGetWindowAttributes(display, wins[i], &wa)
- || wa.override_redirect ||
+ || wa.override_redirect
+ || wa.map_state != IsViewable ||
XGetTransientForHint(display, wins[i], &d1))
continue;
manage_window(wins[i]);