diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index da0bef0..fa50296 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -6102,7 +6102,7 @@
 {
     PyObject *result;
     static PyObject *struct_rusage;
-    _Py_identifier(struct_rusage);
+    _Py_IDENTIFIER(struct_rusage);
 
     if (pid == -1)
         return posix_error();