diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 5ef14bfc6e..b61aed533c 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -590,6 +590,9 @@ 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)
             {