1 files changed, 2 insertions, 0 deletions
diff --git a/vehicle.h b/vehicle.h
index 864d382cf..a5803750c 100644
--- a/vehicle.h
+++ b/vehicle.h
@@ -284,6 +284,8 @@ void ViewportAddVehicles(DrawPixelInfo *dpi);
 
 void TrainEnterDepot(Vehicle *v, uint tile);
 
+void AddRearEngineToMultiheadedTrain(Vehicle *v, Vehicle *u, bool building) ;
+
 /* train_cmd.h */
 int GetTrainImage(Vehicle *v, byte direction);
 int GetAircraftImage(Vehicle *v, byte direction);