diff --git a/OpenSim/Framework/RegistryCore.cs b/OpenSim/Framework/RegistryCore.cs
index 06732f5c1d..c703f9f676 100644
--- a/OpenSim/Framework/RegistryCore.cs
+++ b/OpenSim/Framework/RegistryCore.cs
@@ -4,7 +4,7 @@ using System.Text;
 
 namespace OpenSim.Framework
 {
-    public class RegistryCore
+    public class RegistryCore : IRegistryCore
     {
         protected Dictionary<Type, object> m_moduleInterfaces = new Dictionary<Type, object>();