diff --git a/Assets/Scripts/DevicePlugins/ElevatorSystem.cs b/Assets/Scripts/DevicePlugins/ElevatorSystem.cs
index 19edc9ce..29ec728a 100644
--- a/Assets/Scripts/DevicePlugins/ElevatorSystem.cs
+++ b/Assets/Scripts/DevicePlugins/ElevatorSystem.cs
@@ -62,7 +62,7 @@ protected override void OnAwake()
 
 	protected override void OnStart()
 	{
-		var hashKey = MakeHashKey(modelName, partName);
+		var hashKey = MakeHashKey(partName);
 		if (!RegisterServiceDevice(hashKey))
 		{
 			Debug.LogError("Failed to register ElevatorSystem service - " + hashKey);