diff --git a/src/road_gui.cpp b/src/road_gui.cpp
--- a/src/road_gui.cpp
+++ b/src/road_gui.cpp
@@ -1249,11 +1249,8 @@ public:
 	/** Filter classes by class name. */
 	static bool CDECL TagNameFilter(RoadStopClassID const *sc, StringFilter &filter)
 	{
-		char buffer[DRAW_STRING_BUFFER];
-		GetString(buffer, RoadStopClass::Get(*sc)->name, lastof(buffer));
-
 		filter.ResetState();
-		filter.AddLine(buffer);
+		filter.AddLine(GetString(RoadStopClass::Get(*sc)->name));
 		return filter.GetState();
 	}