diff --git a/OpenSim/Region/PhysicsModules/SharedBase/PhysicsActor.cs b/OpenSim/Region/PhysicsModules/SharedBase/PhysicsActor.cs
index 891d6c0169..250b155efe 100644
--- a/OpenSim/Region/PhysicsModules/SharedBase/PhysicsActor.cs
+++ b/OpenSim/Region/PhysicsModules/SharedBase/PhysicsActor.cs
@@ -58,6 +58,7 @@ namespace OpenSim.Region.PhysicsModules.SharedBase
     public struct CameraData
     {
         public Quaternion CameraRotation;
+        public Vector3 CameraAtAxis;
         public bool MouseLook;
         public bool Valid;
     }