1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/_pickle.c b/Modules/_pickle.c
index fc16c63..54b1856 100644
--- a/Modules/_pickle.c
+++ b/Modules/_pickle.c
@@ -1687,7 +1687,7 @@ whichmodule(PyObject *global, PyObject *dotted_path)
     while (PyDict_Next(modules_dict, &i, &module_name, &module)) {
         PyObject *candidate;
         if (PyUnicode_Check(module_name) &&
-            !PyUnicode_CompareWithASCIIString(module_name, "__main__"))
+            _PyUnicode_EqualToASCIIString(module_name, "__main__"))
             continue;
         if (module == Py_None)
             continue;