--- a/contrib/packaging/hgpackaging/py2exe.py	Thu Mar 14 18:14:33 2019 -0700
+++ b/contrib/packaging/hgpackaging/py2exe.py	Thu Mar 14 13:27:37 2019 -0700
@@ -128,7 +128,7 @@
     print('building Mercurial')
     subprocess.run(
         [str(venv_python), 'setup.py',
-         'py2exe', '-b', '3' if vc_x64 else '2',
+         'py2exe',
          'build_doc', '--html'],
         cwd=str(source_dir),
         env=env,