--- a/hgext/win32mbcs.py	Wed Apr 26 22:05:59 2017 +0900
+++ b/hgext/win32mbcs.py	Wed Apr 26 22:26:28 2017 +0900
@@ -182,7 +182,8 @@
         if pycompat.osname == 'nt':
             for f in winfuncs.split():
                 wrapname(f, wrapper)
-        wrapname("mercurial.osutil.listdir", wrapperforlistdir)
+        wrapname("mercurial.util.listdir", wrapperforlistdir)
+        wrapname("mercurial.windows.listdir", wrapperforlistdir)
         # wrap functions to be called with local byte string arguments
         for f in rfuncs.split():
             wrapname(f, reversewrapper)