diff --git a/OpenSim/Region/CoreModules/World/Terrain/TerrainModule.cs b/OpenSim/Region/CoreModules/World/Terrain/TerrainModule.cs
index 2c5e44432c..cb801111f9 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/TerrainModule.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/TerrainModule.cs
@@ -586,8 +586,9 @@ namespace OpenSim.Region.CoreModules.World.Terrain
             client.OnModifyTerrain += client_OnModifyTerrain;
             client.OnBakeTerrain += client_OnBakeTerrain;
             client.OnLandUndo += client_OnLandUndo;
+            client.OnUnackedTerrain += client_OnUnackedTerrain;
         }
-
+        
         /// <summary>
         /// Checks to see if the terrain has been modified since last check
         /// but won't attempt to limit those changes to the limits specified in the estate settings
@@ -808,6 +809,12 @@ namespace OpenSim.Region.CoreModules.World.Terrain
                 InterfaceBakeTerrain(null); //bake terrain does not use the passed in parameter
             }
         }
+        
+        protected void client_OnUnackedTerrain(IClientAPI client, int patchX, int patchY)
+        {
+            //m_log.Debug("Terrain packet unacked, resending patch: " + patchX + " , " + patchY);
+             client.SendLayerData(patchX, patchY, m_scene.Heightmap.GetFloatsSerialised());
+        }        
 
         private void StoreUndoState()
         {
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 631046a162..50f6b710bc 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -2770,7 +2770,6 @@ namespace OpenSim.Region.Framework.Scenes
         public virtual void SubscribeToClientTerrainEvents(IClientAPI client)
         {
             client.OnRegionHandShakeReply += SendLayerData;
-            client.OnUnackedTerrain += TerrainUnAcked;
         }
         
         public virtual void SubscribeToClientPrimEvents(IClientAPI client)
@@ -2901,7 +2900,6 @@ namespace OpenSim.Region.Framework.Scenes
         public virtual void UnSubscribeToClientTerrainEvents(IClientAPI client)
         {
             client.OnRegionHandShakeReply -= SendLayerData;
-            client.OnUnackedTerrain -= TerrainUnAcked;
         }
 
         public virtual void UnSubscribeToClientPrimEvents(IClientAPI client)
@@ -4481,12 +4479,6 @@ namespace OpenSim.Region.Framework.Scenes
                 client.SendRegionHandle(regionID, handle);
         }
 
-        public void TerrainUnAcked(IClientAPI client, int patchX, int patchY)
-        {
-            //m_log.Debug("Terrain packet unacked, resending patch: " + patchX + " , " + patchY);
-             client.SendLayerData(patchX, patchY, Heightmap.GetFloatsSerialised());
-        }
-
         public bool NeedSceneCacheClear(UUID agentID)
         {
             IInventoryTransferModule inv = RequestModuleInterface<IInventoryTransferModule>();