diff --git a/src/network/udp.py b/src/network/udp.py
index 27cf0abb..bd867125 100644
--- a/src/network/udp.py
+++ b/src/network/udp.py
@@ -151,6 +151,7 @@ class UDPSocket(BMProto):
             retval = self.socket.sendto(self.write_buf, ('<broadcast>', UDPSocket.port))
         except socket.error as e:
             logger.error("socket error on sendato: %s", str(e))
+            retval = 0
         self.slice_write_buf(retval)