diff --git a/src/Things/DifferentialDrive.cs b/src/Things/DifferentialDrive.cs
index a2a5621..f0cc4ce 100644
--- a/src/Things/DifferentialDrive.cs
+++ b/src/Things/DifferentialDrive.cs
@@ -17,7 +17,7 @@ namespace RoboidControl {
         /// <param name="owner">The owning participant</param>
         /// <param name="thingId">The ID of the thing, leave out or set to zero to generate an ID</param>
         /// <param name="invokeEvent">Invoke a OnNewThing event when the thing has been created</param>
-        public DifferentialDrive(ParticipantUDP participant, byte thingId = 0, bool invokeEvent = true) : base(participant, Type.DifferentialDrive, thingId, invokeEvent) { }
+        public DifferentialDrive(Participant participant, byte thingId = 0, bool invokeEvent = true) : base(participant, Type.DifferentialDrive, thingId, invokeEvent) { }
         /// <summary>
         /// Create a new child differential drive
         /// </summary>