diff --git a/Lib/test/test_mmap.py b/Lib/test/test_mmap.py
index fa371a291..9dbd1ebce 100644
--- a/Lib/test/test_mmap.py
+++ b/Lib/test/test_mmap.py
@@ -721,6 +721,7 @@ class MmapTests(unittest.TestCase):
         self.assertRaises(ValueError, m.write_byte, 42)
         self.assertRaises(ValueError, m.write, b'abc')
 
+    @unittest.skip('TODO: RUSTPYTHON, Number Protocol is not properly implemented yet')
     def test_concat_repeat_exception(self):
         m = mmap.mmap(-1, 16)
         with self.assertRaises(TypeError):