1 files changed, 1 insertions, 0 deletions
diff --git a/Lib/os.py b/Lib/os.py
index a179467..8c4b932 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -171,6 +171,7 @@ if _exists("_have_functions"):
     _add("HAVE_FSTATAT",    "stat")
     _add("HAVE_LCHFLAGS",   "chflags")
     _add("HAVE_LCHMOD",     "chmod")
+    _add("MS_WINDOWS",      "chmod")
     if _exists("lchown"): # mac os x10.3
         _add("HAVE_LCHOWN", "chown")
     _add("HAVE_LINKAT",     "link")