diff --git a/src/vehicle_gui.h b/src/vehicle_gui.h
--- a/src/vehicle_gui.h
+++ b/src/vehicle_gui.h
@@ -97,4 +97,6 @@ void StartStopVehicle(const Vehicle *v, 
 
 Vehicle *CheckClickOnVehicle(const struct ViewPort *vp, int x, int y);
 
+void DrawVehicleImage(const Vehicle *v, int left, int right, int y, VehicleID selection, int skip);
+
 #endif /* VEHICLE_GUI_H */