diff -r d12d8d41428e -r 21b3513d43e4 mercurial/url.py
--- a/mercurial/url.py	Fri May 23 17:29:04 2014 +0100
+++ b/mercurial/url.py	Thu May 22 22:05:26 2014 +0900
@@ -225,7 +225,6 @@
     proxyheaders = dict(
             [(x, self.headers[x]) for x in self.headers
              if x.lower().startswith('proxy-')])
-    self._set_hostport(self.host, self.port)
     self.send('CONNECT %s HTTP/1.0\r\n' % self.realhostport)
     for header in proxyheaders.iteritems():
         self.send('%s: %s\r\n' % header)