--- a/src/Network/UDP.cc	Tue Dec 16 20:30:35 2008 +0000
+++ b/src/Network/UDP.cc	Tue Dec 16 23:21:26 2008 +0000
@@ -15,6 +15,9 @@
 
     // nonblocking
     socket.set_nonblocking(true);
+
+    // activate polling
+    socket.set_poll_read(true);
 }
 
 NetworkUDP::NetworkUDP (const NetworkAddress &bind_addr) :
@@ -28,6 +31,9 @@
 
     // nonblocking
     socket.set_nonblocking(true);
+    
+    // activate polling
+    socket.set_poll_read(true);
 }
         
 void NetworkUDP::on_recv (void) {