1 files changed, 1 insertions, 0 deletions
diff --git a/vehicle.h b/vehicle.h
index 6226348d1..d4afef496 100644
--- a/vehicle.h
+++ b/vehicle.h
@@ -317,6 +317,7 @@ int32 GetTrainRunningCost(const Vehicle *v);
 int CheckTrainStoppedInDepot(const Vehicle *v);
 
 bool VehicleNeedsService(const Vehicle *v);
+void ConvertOldMultiheadToNew(void);
 
 typedef struct GetNewVehiclePosResult {
 	int x,y;