diff --git a/Python/ceval.c b/Python/ceval.c
index 04d3df1..543c6f2 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -372,7 +372,7 @@
 void
 PyEval_ReInitThreads(void)
 {
-    _Py_identifier(_after_fork);
+    _Py_IDENTIFIER(_after_fork);
     PyObject *threading, *result;
     PyThreadState *tstate = PyThreadState_GET();