diff --git a/Lib/test/test_tempfile.py b/Lib/test/test_tempfile.py
index ecad944..c8d4b49 100644
--- a/Lib/test/test_tempfile.py
+++ b/Lib/test/test_tempfile.py
@@ -792,7 +792,7 @@
         self.assertTrue(f._rolled)
         self.assertEqual(f.mode, 'w+')
         self.assertIsNotNone(f.name)
-        self.assertEqual(f.newlines, '\n')
+        self.assertEqual(f.newlines, os.linesep)
         self.assertIsNotNone(f.encoding)
 
     def test_text_newline_and_encoding(self):