diff --git a/src/newgrf_roadstop.h b/src/newgrf_roadstop.h
--- a/src/newgrf_roadstop.h
+++ b/src/newgrf_roadstop.h
@@ -169,8 +169,8 @@ uint16_t GetRoadStopCallback(CallbackID 
 
 void AnimateRoadStopTile(TileIndex tile);
 uint8_t GetRoadStopTileAnimationSpeed(TileIndex tile);
-void TriggerRoadStopAnimation(BaseStation *st, TileIndex tile, StationAnimationTrigger trigger, CargoID cargo_type = CT_INVALID);
-void TriggerRoadStopRandomisation(Station *st, TileIndex tile, RoadStopRandomTrigger trigger, CargoID cargo_type = CT_INVALID);
+void TriggerRoadStopAnimation(BaseStation *st, TileIndex tile, StationAnimationTrigger trigger, CargoID cargo_type = INVALID_CARGO);
+void TriggerRoadStopRandomisation(Station *st, TileIndex tile, RoadStopRandomTrigger trigger, CargoID cargo_type = INVALID_CARGO);
 
 bool GetIfNewStopsByType(RoadStopType rs, RoadType roadtype);
 bool GetIfClassHasNewStopsByType(RoadStopClass *roadstopclass, RoadStopType rs, RoadType roadtype);