diff --git a/OpenSim/Server/Handlers/Authentication/OpenIdServerHandler.cs b/OpenSim/Server/Handlers/Authentication/OpenIdServerHandler.cs
index 66a26fc78d..b201dc7510 100644
--- a/OpenSim/Server/Handlers/Authentication/OpenIdServerHandler.cs
+++ b/OpenSim/Server/Handlers/Authentication/OpenIdServerHandler.cs
@@ -147,7 +147,7 @@ namespace OpenSim.Server.Handlers.Authentication
         #endregion
     }
 
-    public class OpenIdStreamHandler : BaseOutputStreamHandler
+    public class OpenIdStreamHandler : BaseOutputStreamHandler, IStreamHandler
     {
         #region HTML