diff --git a/Demo/sockets/echosvr.py b/Demo/sockets/echosvr.py
index d4a23f04a81..fbe3eb77d4d 100755
--- a/Demo/sockets/echosvr.py
+++ b/Demo/sockets/echosvr.py
@@ -19,7 +19,7 @@ def main():
 		port = ECHO_PORT
 	s = socket(AF_INET, SOCK_STREAM)
 	s.bind('', port)
-	s.listen(0)
+	s.listen(1)
 	conn, (remotehost, remoteport) = s.accept()
 	print 'connected by', remotehost, remoteport
 	while 1: