diff --git a/OpenSim/Framework/Communications/Cache/SQLAssetServer.cs b/OpenSim/Framework/Communications/Cache/SQLAssetServer.cs
index fc4efc58b8..a965ee0a75 100644
--- a/OpenSim/Framework/Communications/Cache/SQLAssetServer.cs
+++ b/OpenSim/Framework/Communications/Cache/SQLAssetServer.cs
@@ -44,7 +44,8 @@ namespace OpenSim.Framework.Communications.Caches
         private IAssetReceiver _receiver;
         private BlockingQueue<ARequest> _assetRequests;
         private Thread _localAssetServerThread;
-        protected IAssetProvider m_plugin;
+        protected IAssetProvider m_plugin;
+        private object syncLock = new object();
 
 
         public SQLAssetServer()
@@ -101,15 +102,21 @@ namespace OpenSim.Framework.Communications.Caches
         }
 
         public void UpdateAsset(AssetBase asset)
-        {
-            m_plugin.UpdateAsset(asset);
-            m_plugin.CommitAssets();
+        {
+            lock (syncLock)
+            {
+                m_plugin.UpdateAsset(asset);
+                m_plugin.CommitAssets();
+            }
         }
 
         public void CreateAsset(AssetBase asset)
-        {
-            m_plugin.CreateAsset(asset);
-            m_plugin.CommitAssets();
+        {
+            lock (syncLock)
+            {
+                m_plugin.CreateAsset(asset);
+                m_plugin.CommitAssets();
+            }
         }
 
         public void SetServerInfo(string ServerUrl, string ServerKey)
@@ -128,9 +135,13 @@ namespace OpenSim.Framework.Communications.Caches
             {
                 ARequest req = this._assetRequests.Dequeue();
 
-                MainLog.Instance.Verbose("Requesting asset: " + req.AssetID);
-
-                AssetBase asset = m_plugin.FetchAsset(req.AssetID);
+                MainLog.Instance.Verbose("Requesting asset: " + req.AssetID);
+
+                AssetBase asset = null;
+                lock (syncLock)
+                {
+                    asset = m_plugin.FetchAsset(req.AssetID);
+                }
                 if (asset != null)
                 {
                     _receiver.AssetReceived(asset, req.IsTexture);