diff --git a/python/client.py b/python/client.py
index bcb4524..56dd4bf 100644
--- a/python/client.py
+++ b/python/client.py
@@ -120,6 +120,7 @@ def openssl_generate_cli_keys_cmd(self):
 stunnel_cli_cnf_template_ = '''
 pid = {pidfile}
 socket = r:TCP_NODELAY=1
+socket = l:TCP_NODELAY=1
 #debug = 7
 foreground = {foreground}