diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp
--- a/src/road_cmd.cpp
+++ b/src/road_cmd.cpp
@@ -882,7 +882,7 @@ CommandCost CmdBuildRoadDepot(TileIndex 
 		Depot *dep = new Depot(tile);
 		dep->town_index = ClosestTownFromTile(tile, UINT_MAX)->index;
 
-		MakeRoadDepot(tile, _current_company, dir, rt);
+		MakeRoadDepot(tile, _current_company, dep->index, dir, rt);
 		MarkTileDirtyByTile(tile);
 	}
 	return cost.AddCost(_price.build_road_depot);