# HG changeset patch
# Parent c37ac05119ff3e0af1eab42b8f6243821eef7fbb
diff --git a/Lib/test/test_fileio.py b/Lib/test/test_fileio.py
--- a/Lib/test/test_fileio.py
+++ b/Lib/test/test_fileio.py
@@ -450,8 +450,9 @@
         env = dict(os.environ)
         env[b'LC_CTYPE'] = b'C'
         _, out = run_python('-c', 'import _io; _io.FileIO(%r)' % filename, env=env)
-        if ('UnicodeEncodeError' not in out and
-            'IOError: [Errno 2] No such file or directory' not in out):
+        if ('UnicodeEncodeError' not in out and not
+                ( ('IOError: [Errno 2] No such file or directory' in out) or
+                  ('IOError: [Errno 22] Invalid argument' in out) ) ):
             self.fail('Bad output: %r' % out)
 
     def testUnclosedFDOnException(self):