diff --git a/Lib/test/test_unicodedata.py b/Lib/test/test_unicodedata.py
index 29fff845e..a370be733 100644
--- a/Lib/test/test_unicodedata.py
+++ b/Lib/test/test_unicodedata.py
@@ -165,7 +165,7 @@ class UnicodeFunctionsTest(UnicodeDatabaseTest):
         self.assertRaises(TypeError, self.db.bidirectional)
         self.assertRaises(TypeError, self.db.bidirectional, 'xx')
 
-    @unittest.skip("TODO: RUSTPYTHON")
+    @unittest.skip("TODO: RUSTPYTHON, AttributeError: module 'unicodedata' has no attribute 'decomposition'")
     def test_decomposition(self):
         self.assertEqual(self.db.decomposition('\uFFFE'),'')
         self.assertEqual(self.db.decomposition('\u00bc'), '<fraction> 0031 2044 0034')