1 files changed, 9 insertions, 0 deletions
diff --git a/dotnet/Qpid.Messaging/MessageNotWritableException.cs b/dotnet/Qpid.Messaging/MessageNotWritableException.cs
index 26905e28f3..6d4068c8c4 100644
--- a/dotnet/Qpid.Messaging/MessageNotWritableException.cs
+++ b/dotnet/Qpid.Messaging/MessageNotWritableException.cs
@@ -18,12 +18,21 @@
  * under the License.
  *
  */
+using System;
+using System.Runtime.Serialization;
+
 namespace Qpid.Messaging
 {
+    [Serializable]
     public class MessageNotWriteableException : QpidException
     {
         public MessageNotWriteableException(string reason) : base(reason)
         {
         }
+
+        protected MessageNotWriteableException(SerializationInfo info, StreamingContext ctxt)
+           : base(info, ctxt)
+        {
+        }
     }
 }