diff --git a/tests.py b/tests.py
index fb17a54..0a3c4b7 100644
--- a/tests.py
+++ b/tests.py
@@ -205,9 +205,9 @@ def testPayloadTooLargeError(self):
             '.' * (max_raw_payload_bytes + 1))
 
         # Test unicode 2-byte characters payload
-        Payload(u'\u0100' * int(max_raw_payload_bytes / 2))
+        Payload('\\u0100' * int(max_raw_payload_bytes / 2))
         self.assertRaises(PayloadTooLargeError, Payload,
-            u'\u0100' * (int(max_raw_payload_bytes / 2) + 1))
+            '\\u0100' * (int(max_raw_payload_bytes / 2) + 1))
 
 if __name__ == '__main__':
     unittest.main()