diff --git a/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs b/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
index 670d259398..e8ff00721c 100644
--- a/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
@@ -810,7 +810,7 @@ namespace OpenSim.Region.Environment.Scenes
         // Utility function so the databases don't have to reference axiom.math
         public void SetSitTargetLL(LLVector3 offset, LLQuaternion orientation)
         {
-            if (!(offset.X == 0 && offset.Y == 0 && offset.Z == 0 && orientation.W == 0 && orientation.X == 0 && orientation.Y == 0 && (orientation.Z == 0 || orientation.Z == 1)))
+            if (!(offset.X == 0 && offset.Y == 0 && offset.Z == 0 && (orientation.W == 0 || orientation.W == 1) && orientation.X == 0 && orientation.Y == 0 && (orientation.Z == 0 || orientation.Z == 0)))
             {
                 m_sitTargetPosition = new Vector3(offset.X, offset.Y, offset.Z);
                 m_sitTargetOrientation = new Quaternion(orientation.W, orientation.X, orientation.Y, orientation.Z);