diff --git a/OpenSim/Framework/AssetBase.cs b/OpenSim/Framework/AssetBase.cs
index e136230b40..614670cc81 100644
--- a/OpenSim/Framework/AssetBase.cs
+++ b/OpenSim/Framework/AssetBase.cs
@@ -157,6 +157,7 @@ namespace OpenSim.Framework
         }
     }
 
+    [Serializable]
     public class AssetMetadata
     {
         private UUID m_fullid;