diff --git a/glymur/jp2box.py b/glymur/jp2box.py
index 6dbec1d..122d5c4 100644
--- a/glymur/jp2box.py
+++ b/glymur/jp2box.py
@@ -2230,7 +2230,7 @@ class UUIDBox(Jp2kBox):
     def __repr__(self):
         msg = "glymur.jp2box.UUIDBox(the_uuid={0}, "
         msg += "raw_data=<byte array {1} elements>)"
-        return msg.format(repr(self.uuid), len(self.data))
+        return msg.format(repr(self.uuid), len(self.raw_data))
 
     def __str__(self):
         msg = '{0}\n    UUID:  {1}'.format(Jp2kBox.__str__(self), self.uuid)
diff --git a/glymur/test/test_jp2box.py b/glymur/test/test_jp2box.py
index f731ff7..a40a5c6 100644
--- a/glymur/test/test_jp2box.py
+++ b/glymur/test/test_jp2box.py
@@ -919,7 +919,7 @@ class TestRepr(unittest.TestCase):
         self.assertEqual(box.vendor_mask, newbox.vendor_mask)
 
     @unittest.skipIf(sys.hexversion < 0x02070000, "Requires 2.7+")
-    def test_uuid_box(self):
+    def test_uuid_box_generic(self):
         """Verify uuid repr method."""
         uuid_instance = uuid.UUID('00000000-0000-0000-0000-000000000000')
         data = b'0123456789'
@@ -936,6 +936,24 @@ class TestRepr(unittest.TestCase):
         else:
             self.assertRegex(repr(box), regexp)
 
+    @unittest.skipIf(sys.hexversion < 0x02070000, "Requires 2.7+")
+    def test_uuid_box_xmp(self):
+        """Verify uuid repr method for XMP UUID box."""
+        jp2file = glymur.data.nemo()
+        j = Jp2k(jp2file)
+        box = j.box[3]
+
+        # Since the raw_data parameter is a sequence of bytes which could be
+        # quite long, don't bother trying to make it conform to eval(repr()).
+        regexp = r"""glymur.jp2box.UUIDBox\("""
+        regexp += """the_uuid=UUID\('be7acfcb-97a9-42e8-9c71-999491e3afac'\),\s"""
+        regexp += """raw_data=<byte\sarray\s3122\selements>\)"""
+
+        if sys.hexversion < 0x03000000:
+            self.assertRegexpMatches(repr(box), regexp)
+        else:
+            self.assertRegex(repr(box), regexp)
+
     @unittest.skipIf(sys.hexversion < 0x02070000, "Requires 2.7+")
     def test_contiguous_codestream_box(self):
         """Verify contiguous codestream box repr method."""