-OSM.Directions.addEngine(GraphHopperEngine("Bicycle", "vehicle=bike"), false);
-OSM.Directions.addEngine(GraphHopperEngine("Foot", "vehicle=foot"), false);
+OSM.Directions.addEngine(GraphHopperEngine("graphhopper_bicycle", "vehicle=bike"), false);
+OSM.Directions.addEngine(GraphHopperEngine("graphhopper_foot", "vehicle=foot"), false);