diff --git a/aircraft_gui.c b/aircraft_gui.c
--- a/aircraft_gui.c
+++ b/aircraft_gui.c
@@ -183,9 +183,7 @@ static void ShowAircraftDetailsWindow(co
 	DeleteWindowById(WC_VEHICLE_ORDERS, veh);
 	DeleteWindowById(WC_VEHICLE_DETAILS, veh);
 
-	_alloc_wnd_parent_num = veh;
-	w = AllocateWindowDesc(&_aircraft_details_desc);
-	w->window_number = veh;
+	w = AllocateWindowDescFront(&_aircraft_details_desc, veh);
 	w->caption_color = v->owner;
 //	w->vscroll.cap = 6;
 //	w->traindetails_d.tab = 0;