--- a/src/helper/udp-echo-helper.h	Mon Apr 14 16:19:17 2008 -0700
+++ b/src/helper/udp-echo-helper.h	Thu Apr 17 13:42:25 2008 -0700
@@ -44,7 +44,7 @@
   UdpEchoClientHelper ();
 
   void SetRemote (Ipv4Address ip, uint16_t port);
-  void SetAppAttribute (std::string name, Attribute value);
+  void SetAppAttribute (std::string name, const AttributeValue &value);
   ApplicationContainer Install (NodeContainer c);
  private:
   ObjectFactory m_factory;