diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 28b80bb571..a79dc988e4 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -544,6 +544,9 @@ namespace OpenSim.Region.Framework.Scenes
         protected internal void HandleObjectGroupUpdate(
             IClientAPI remoteClient, UUID GroupID, uint objectLocalID, UUID Garbage)
         {
+            if (!remoteClient.IsGroupMember(GroupID))
+                return;
+
             SceneObjectGroup group = GetGroupByPrim(objectLocalID);
             if (group != null)
             {