diff --git a/shadowsocks/tcprelay.py b/shadowsocks/tcprelay.py
index fcaadb0..f4551f2 100644
--- a/shadowsocks/tcprelay.py
+++ b/shadowsocks/tcprelay.py
@@ -97,7 +97,7 @@ UDP_MAX_BUF_SIZE = 65536
 class SpeedTester(object):
     def __init__(self, max_speed = 0):
         self.max_speed = max_speed * 1024
-        self.timeout = 5
+        self.timeout = 1
         self._cache = deque()
         self.sum_len = 0