diff --git a/stdlibs/tests/__init__.py b/stdlibs/tests/__init__.py
index 16a7e04..e709a6b 100644
--- a/stdlibs/tests/__init__.py
+++ b/stdlibs/tests/__init__.py
@@ -36,6 +36,7 @@ def test_all_my_modules_are_there(self) -> None:
             name = module.with_suffix("").name
             name = name.split(".")[0]  # __phello__.foo
             if name.startswith("_sysconfigdata_") or name in (
+                "_missing_stdlib_info",
                 "sitecustomize",
                 "usercustomize",
             ):