diff --git a/test_requests.py b/test_requests.py
old mode 100644
new mode 100755
index 09619fff..4a4831e5
--- a/test_requests.py
+++ b/test_requests.py
@@ -345,11 +345,12 @@ class RequestsTestCase(unittest.TestCase):
         self.assertEqual(r.status_code, 200)
 
     def test_unicode_multipart_post_fieldnames(self):
+        filename = os.path.splitext(__file__)[0] + '.py'
         r = requests.Request(method='POST',
                              url=httpbin('post'),
                              data={'stuff'.encode('utf-8'): 'elixr'},
                              files={'file': ('test_requests.py',
-                                             open(__file__, 'rb'))})
+                                             open(filename, 'rb'))})
         prep = r.prepare()
         self.assertTrue(b'name="stuff"' in prep.body)
         self.assertFalse(b'name="b\'stuff\'"' in prep.body)