diff --git a/shadowsocks/eventloop.py b/shadowsocks/eventloop.py
index 2d7e696..2ccd7e6 100644
--- a/shadowsocks/eventloop.py
+++ b/shadowsocks/eventloop.py
@@ -99,7 +99,7 @@ class KqueueLoop(object):
         self.register(fd, mode)
 
     def close(self):
-        self.kqueue.close()
+        self._kqueue.close()
 
 
 class SelectLoop(object):