diff --git a/ship_cmd.c b/ship_cmd.c
--- a/ship_cmd.c
+++ b/ship_cmd.c
@@ -414,7 +414,7 @@ static void ShipEnterDepot(Vehicle *v)
 
 	InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
 
-	MaybeReplaceVehicle(v);
+	v = MaybeReplaceVehicle(v);
 
 	TriggerVehicle(v, VEHICLE_TRIGGER_DEPOT);