diff -r ca398a50ca00 -r 00a75672a9cb mercurial/sshpeer.py
--- a/mercurial/sshpeer.py	Mon Jul 31 14:55:11 2017 -0700
+++ b/mercurial/sshpeer.py	Fri Aug 04 23:54:12 2017 -0700
@@ -150,10 +150,7 @@
         sshcmd = self.ui.config("ui", "ssh", "ssh")
         remotecmd = self.ui.config("ui", "remotecmd", "hg")
 
-        args = util.sshargs(sshcmd,
-                            _serverquote(self.host),
-                            _serverquote(self.user),
-                            _serverquote(self.port))
+        args = util.sshargs(sshcmd, self.host, self.user, self.port)
 
         if create:
             cmd = '%s %s %s' % (sshcmd, args,