diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 203faed7b2..d983b7589d 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -3485,7 +3485,7 @@ if (m_shape != null) {
             else
             {   // Remove VolumeDetect in any case. Note, it's safe to call SetVolumeDetect as often as you like
                 // (mumbles, well, at least if you have infinte CPU powers :-))
-                if (this.PhysActor != null)
+                if (pa != null)
                 {
                     PhysActor.SetVolumeDetect(0);
                 }