diff -r 6cc696179869 -r e828975722c8 mercurial/ui.py
--- a/mercurial/ui.py	Wed Oct 09 14:15:20 2013 -0700
+++ b/mercurial/ui.py	Wed Oct 09 14:15:34 2013 -0700
@@ -665,7 +665,7 @@
         if not self.interactive():
             return default
         try:
-            self.write(self.label(prompt or _('password: '), 'ui.prompt'))
+            self.write_err(self.label(prompt or _('password: '), 'ui.prompt'))
             return getpass.getpass('')
         except EOFError:
             raise util.Abort(_('response expected'))