diff --git a/OpenSim/Framework/AgentUpdateArgs.cs b/OpenSim/Framework/AgentUpdateArgs.cs
index 7b9ec68966..660bc327de 100644
--- a/OpenSim/Framework/AgentUpdateArgs.cs
+++ b/OpenSim/Framework/AgentUpdateArgs.cs
@@ -78,5 +78,13 @@ namespace OpenSim.Framework
         /// </summary>
         public UUID SessionID;
         public byte State;
+
+        public Vector3 ClientAgentPosition;
+        public bool UseClientAgentPosition;
+
+        public AgentUpdateArgs()
+        {
+            UseClientAgentPosition = false;
+        }
     }
 }