diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 3f531bee86..4d1e5642a6 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -2751,7 +2751,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="cGroupID"></param>
         public void SetRootPartOwner(SceneObjectPart part, UUID cAgentID, UUID cGroupID)
         {
-            part.LastOwnerID = part.OwnerID;
+            if(part.GroupID != part.OwnerID && cGroupID != part.OwnerID)
+                part.LastOwnerID = part.OwnerID;
             part.OwnerID = cAgentID;
             part.GroupID = cGroupID;
 
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 9f996659f3..87ce0b7aa6 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -2228,7 +2228,11 @@ namespace OpenSim.Region.Framework.Scenes
             dupe.LocalId = plocalID;
 
             // This may be wrong...    it might have to be applied in SceneObjectGroup to the object that's being duplicated.
-            dupe.LastOwnerID = OwnerID;
+            if(OwnerID != GroupID)
+                dupe.LastOwnerID = OwnerID;
+            else
+                dupe.LastOwnerID = LastOwnerID; // redundant ?
+
             dupe.RezzerID = RezzerID;
 
             byte[] extraP = new byte[Shape.ExtraParams.Length];
@@ -5246,7 +5250,8 @@ SendFullUpdateToClient(remoteClient, Position) ignores position parameter
 
                 //LogPermissions("After ApplyNextOwnerPermissions");
 
-                LastOwnerID = OwnerID;
+                if(OwnerID != GroupID)
+                    LastOwnerID = OwnerID;
                 OwnerID = item.Owner;
                 Inventory.ChangeInventoryOwner(item.Owner);
             }
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
index a55936f4eb..4dd8eb1262 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs
@@ -965,7 +965,8 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     if ((part.OwnerID != item.OwnerID) || (item.CurrentPermissions & (uint)PermissionMask.Slam) != 0 || (item.Flags & (uint)InventoryItemFlags.ObjectSlamPerm) != 0)
                     {
-                        part.LastOwnerID = part.OwnerID;
+                        if(part.GroupID != part.OwnerID)
+                            part.LastOwnerID = part.OwnerID;
                         part.OwnerID = item.OwnerID;
                         part.Inventory.ChangeInventoryOwner(item.OwnerID);
                     }