diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h
index 524ce8a..a1725e5 100644
--- a/Include/unicodeobject.h
+++ b/Include/unicodeobject.h
@@ -2031,7 +2031,7 @@
 
    do
 
-       _Py_identifier(foo);
+       _Py_IDENTIFIER(foo);
        ...
        r = _PyObject_CallMethodId(o, &PyId_foo, "args", ...);
 
@@ -2050,7 +2050,7 @@
 } _Py_Identifier;
 
 #define _Py_static_string(varname, value)  static _Py_Identifier varname = { 0, value, 0 }
-#define _Py_identifier(varname) _Py_static_string(PyId_##varname, #varname)
+#define _Py_IDENTIFIER(varname) _Py_static_string(PyId_##varname, #varname)
 
 /* Return an interned Unicode object for an Identifier; may fail if there is no memory.*/
 PyAPI_FUNC(PyObject*) _PyUnicode_FromId(_Py_Identifier*);