diff --git a/Lib/dospath.py b/Lib/dospath.py
index f613a63..345b940 100644
--- a/Lib/dospath.py
+++ b/Lib/dospath.py
@@ -6,7 +6,8 @@
 __all__ = ["normcase","isabs","join","splitdrive","split","splitext",
            "basename","dirname","commonprefix","getsize","getmtime",
            "getatime","islink","exists","isdir","isfile","ismount",
-           "walk","expanduser","expandvars","normpath","abspath"]
+           "walk","expanduser","expandvars","normpath","abspath",
+           "supports_unicode_filenames"]
 
 def normcase(s):
     """Normalize the case of a pathname.
@@ -336,3 +337,4 @@
 
 # realpath is a no-op on systems without islink support
 realpath = abspath
+supports_unicode_filenames = False