--- a/roadveh_cmd.c	Thu Oct 05 12:18:07 2006 +0000
+++ b/roadveh_cmd.c	Thu Oct 05 12:59:28 2006 +0000
@@ -194,6 +194,7 @@
 		VehiclePositionChanged(v);
 		GetPlayer(_current_player)->num_engines[p1]++;
 
+		InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
 		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
 		RebuildVehicleLists();
 		InvalidateWindow(WC_COMPANY, v->owner);
@@ -1305,6 +1306,7 @@
 		UpdateRoadVehDeltaXY(v);
 		SetRoadVehPosition(v,x,y);
 
+		InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
 		InvalidateWindow(WC_VEHICLE_DEPOT, v->tile);
 		return;
 	}