diff --git a/src/script/api/script_road.hpp b/src/script/api/script_road.hpp
--- a/src/script/api/script_road.hpp
+++ b/src/script/api/script_road.hpp
@@ -42,7 +42,7 @@ public:
 		ERR_ROADTYPE_DISALLOWS_CROSSING,              // [STR_ERROR_CROSSING_DISALLOWED_ROAD]
 
 		/** No suitable road could be found */
-		ERR_UNSUITABLE_ROAD,                          // [STR_ERROR_NO_SUITABLE_ROAD, STR_ERROR_NO_SUITABLE_TRAMWAY, STR_ERROR_INCOMPATIBLE_ROAD]
+		ERR_UNSUITABLE_ROAD,                          // [STR_ERROR_NO_SUITABLE_ROAD, STR_ERROR_NO_SUITABLE_TRAMWAY]
 	};
 
 	/**