=== modified file 'bzrlib/tests/blackbox/test_serve.py'
--- old/bzrlib/tests/blackbox/test_serve.py	2012-06-08 11:23:19 +0000
+++ new/bzrlib/tests/blackbox/test_serve.py	2012-06-11 14:10:32 +0000
@@ -367,7 +367,7 @@
         # Connect to the TCP server and issue some requests and see what comes
         # back.
         client_medium = medium.SmartTCPClientMedium(
-            '127.0.0.1', self.tcp_server.port,
+            'localhost', self.tcp_server.port,
             'bzr://localhost:%d/' % (self.tcp_server.port,))
         smart_client = client._SmartClient(client_medium)
         resp = smart_client.call('mkdir', 'foo', '')

