--- a/roadveh_cmd.c	Thu Nov 30 22:23:11 2006 +0000
+++ b/roadveh_cmd.c	Fri Dec 01 00:09:13 2006 +0000
@@ -195,7 +195,6 @@
 		GetPlayer(_current_player)->num_engines[p1]++;
 
 		InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
-		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
 		RebuildVehicleLists();
 		InvalidateWindow(WC_COMPANY, v->owner);
 		if (IsLocalPlayer())
@@ -1307,7 +1306,6 @@
 		SetRoadVehPosition(v,x,y);
 
 		InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
-		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
 		return;
 	}