diff --git a/Lib/test/test_c_locale_coercion.py b/Lib/test/test_c_locale_coercion.py
index 71f934756e..818dc16b83 100644
--- a/Lib/test/test_c_locale_coercion.py
+++ b/Lib/test/test_c_locale_coercion.py
@@ -243,6 +243,8 @@ class LocaleConfigurationTests(_LocaleHandlingTestCase):
         if not AVAILABLE_TARGETS:
             raise unittest.SkipTest("No C-with-UTF-8 locale available")
 
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     def test_external_target_locale_configuration(self):
 
         # Explicitly setting a target locale should give the same behaviour as