diff --git a/OpenSim/Framework/ChildAgentDataUpdate.cs b/OpenSim/Framework/ChildAgentDataUpdate.cs
index fe128744bf..abff44a445 100644
--- a/OpenSim/Framework/ChildAgentDataUpdate.cs
+++ b/OpenSim/Framework/ChildAgentDataUpdate.cs
@@ -229,12 +229,14 @@ namespace OpenSim.Framework
 
     public class ControllerData
     {
+        public UUID ObjectID;
         public UUID ItemID;
         public uint IgnoreControls;
         public uint EventControls;
 
-        public ControllerData(UUID item, uint ignore, uint ev)
+        public ControllerData(UUID obj, UUID item, uint ignore, uint ev)
         {
+            ObjectID = obj;
             ItemID = item;
             IgnoreControls = ignore;
             EventControls = ev;
@@ -248,6 +250,7 @@ namespace OpenSim.Framework
         public OSDMap PackUpdateMessage()
         {
             OSDMap controldata = new OSDMap();
+            controldata["object"] = OSD.FromUUID(ObjectID);
             controldata["item"] = OSD.FromUUID(ItemID);
             controldata["ignore"] = OSD.FromInteger(IgnoreControls);
             controldata["event"] = OSD.FromInteger(EventControls);
@@ -258,6 +261,8 @@ namespace OpenSim.Framework
 
         public void UnpackUpdateMessage(OSDMap args)
         {
+            if (args["object"] != null)
+                ObjectID = args["object"].AsUUID();
             if (args["item"] != null)
                 ItemID = args["item"].AsUUID();
             if (args["ignore"] != null)
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 80f21cea18..b0147f2939 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -62,6 +62,7 @@ namespace OpenSim.Region.Framework.Scenes
 
     struct ScriptControllers
     {
+        public UUID objectID;
         public UUID itemID;
         public ScriptControlled ignoreControls;
         public ScriptControlled eventControls;
@@ -1890,6 +1891,8 @@ namespace OpenSim.Region.Framework.Scenes
             if (ParentID != 0)
             {
                 SceneObjectPart part = ParentPart;
+                UnRegisterSeatControls(part.ParentGroup.UUID);
+
                 TaskInventoryDictionary taskIDict = part.TaskInventory;
                 if (taskIDict != null)
                 {
@@ -3217,7 +3220,7 @@ namespace OpenSim.Region.Framework.Scenes
 
                 foreach (ScriptControllers c in scriptedcontrols.Values)
                 {
-                    controls[i++] = new ControllerData(c.itemID, (uint)c.ignoreControls, (uint)c.eventControls);
+                    controls[i++] = new ControllerData(c.objectID, c.itemID, (uint)c.ignoreControls, (uint)c.eventControls);
                 }
                 cAgent.Controllers = controls;
             }
@@ -3307,6 +3310,7 @@ namespace OpenSim.Region.Framework.Scenes
                         foreach (ControllerData c in cAgent.Controllers)
                         {
                             ScriptControllers sc = new ScriptControllers();
+                            sc.objectID = c.ObjectID;
                             sc.itemID = c.ItemID;
                             sc.ignoreControls = (ScriptControlled)c.IgnoreControls;
                             sc.eventControls = (ScriptControlled)c.EventControls;
@@ -3702,10 +3706,15 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void RegisterControlEventsToScript(int controls, int accept, int pass_on, uint Obj_localID, UUID Script_item_UUID)
         {
+            SceneObjectPart p = m_scene.GetSceneObjectPart(Obj_localID);
+            if (p == null)
+                return;
+
             ScriptControllers obj = new ScriptControllers();
             obj.ignoreControls = ScriptControlled.CONTROL_ZERO;
             obj.eventControls = ScriptControlled.CONTROL_ZERO;
 
+            obj.objectID = p.ParentGroup.UUID;
             obj.itemID = Script_item_UUID;
             if (pass_on == 0 && accept == 0)
             {
@@ -3754,6 +3763,21 @@ namespace OpenSim.Region.Framework.Scenes
             ControllingClient.SendTakeControls(int.MaxValue, false, false);
         }
 
+        private void UnRegisterSeatControls(UUID obj)
+        {
+            List<UUID> takers = new List<UUID>();
+
+            foreach (ScriptControllers c in scriptedcontrols.Values)
+            {
+                if (c.objectID == obj)
+                    takers.Add(c.itemID);
+            }
+            foreach (UUID t in takers)
+            {
+                UnRegisterControlEventsToScript(0, t);
+            }
+        }
+
         public void UnRegisterControlEventsToScript(uint Obj_localID, UUID Script_item_UUID)
         {
             ScriptControllers takecontrols;