diff --git a/src/Wolverine/Runtime/Serialization/IntrinsicSerializer.cs b/src/Wolverine/Runtime/Serialization/IntrinsicSerializer.cs
index 0da7a533f..6be431b6d 100644
--- a/src/Wolverine/Runtime/Serialization/IntrinsicSerializer.cs
+++ b/src/Wolverine/Runtime/Serialization/IntrinsicSerializer.cs
@@ -23,6 +23,7 @@ public byte[] Write(Envelope envelope)
         }
 
         serializer = typeof(IntrinsicSerializer<>).CloseAndBuildAs<IMessageSerializer>(messageType);
+        _inner = _inner.AddOrUpdate(messageType, serializer);
         return serializer.Write(envelope);
     }