diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
index f7e7cb4..c64dee5 100644
--- a/Lib/test/test_unicode.py
+++ b/Lib/test/test_unicode.py
@@ -68,6 +68,8 @@
         self.assertRaises(SyntaxError, eval, '\'\\Ufffffffe\'')
         self.assertRaises(SyntaxError, eval, '\'\\Uffffffff\'')
         self.assertRaises(SyntaxError, eval, '\'\\U%08x\'' % 0x110000)
+        # raw strings should not have unicode escapes
+        self.assertNotEquals(r"\u0020", " ")
 
     def test_repr(self):
         if not sys.platform.startswith('java'):