diff --git a/src/Spring/Spring.Messaging.Nms/Messaging/Nms/Connections/CachedSession.cs b/src/Spring/Spring.Messaging.Nms/Messaging/Nms/Connections/CachedSession.cs
index 241d8c6b..b1747135 100644
--- a/src/Spring/Spring.Messaging.Nms/Messaging/Nms/Connections/CachedSession.cs
+++ b/src/Spring/Spring.Messaging.Nms/Messaging/Nms/Connections/CachedSession.cs
@@ -129,6 +129,8 @@ namespace Spring.Messaging.Nms.Connections
         /// <returns>A message producer.</returns>
         public IMessageProducer CreateProducer(IDestination destination)
         {
+            AssertUtils.ArgumentNotNull(destination,"destination");
+
             if (shouldCacheProducers)
             {
                 IMessageProducer producer = (IMessageProducer)cachedProducers[destination];