--- a/src/proto2/NetworkUDP.hh	Thu Nov 20 22:10:28 2008 +0000
+++ b/src/proto2/NetworkUDP.hh	Thu Nov 20 22:55:28 2008 +0000
@@ -18,12 +18,12 @@
     private:
         void on_recv (void);
 
-        CL_Signal_v2<NetworkPacket &, const NetworkAddress> _sig_packet;
+        CL_Signal_v2<NetworkPacket &, const NetworkAddress&> _sig_packet;
 
     public:
         bool sendto (const NetworkPacket &packet, const NetworkAddress &dst);
         
-        CL_Signal_v2<NetworkPacket &, const NetworkAddress>& sig_packet (void) { return _sig_packet; }
+        CL_Signal_v2<NetworkPacket &, const NetworkAddress&>& sig_packet (void) { return _sig_packet; }
 };
 
 #endif /* NETWORK_UDP_HH */