diff --git a/glymur/test/test_jp2box_uuid.py b/glymur/test/test_jp2box_uuid.py
index e346ade..3c322a5 100644
--- a/glymur/test/test_jp2box_uuid.py
+++ b/glymur/test/test_jp2box_uuid.py
@@ -170,8 +170,12 @@ class TestUUIDExif(unittest.TestCase):
                 j = glymur.Jp2k(tfile.name)
                 self.assertTrue(issubclass(w[0].category, UserWarning))
                 msg = 'The byte order indication in the TIFF header '
-                msg += "(b'JI') is invalid.  "
-                msg += "It should be either b'II' or b'MM'."
+                if sys.hexversion < 0x03000000:
+                    msg += "(JI) is invalid.  "
+                    msg += "It should be either [73, 73] or [77, 77]."
+                else:
+                    msg += "(b'JI') is invalid.  "
+                    msg += "It should be either b'II' or b'MM'."
                 self.assertTrue(msg in str(w[0].message))
 
             self.assertEqual(j.box[-1].box_id, 'uuid')