1 files changed, 2 insertions, 2 deletions
diff --git a/Doc/includes/custom3.c b/Doc/includes/custom3.c
index 8d88bc2..0faf2bd 100644
--- a/Doc/includes/custom3.c
+++ b/Doc/includes/custom3.c
@@ -1,6 +1,6 @@
 #define PY_SSIZE_T_CLEAN
 #include <Python.h>
-#include "structmember.h"
+#include <stddef.h> /* for offsetof() */
 
 typedef struct {
     PyObject_HEAD
@@ -63,7 +63,7 @@ Custom_init(CustomObject *self, PyObject *args, PyObject *kwds)
 }
 
 static PyMemberDef Custom_members[] = {
-    {"number", T_INT, offsetof(CustomObject, number), 0,
+    {"number", Py_T_INT, offsetof(CustomObject, number), 0,
      "custom number"},
     {NULL}  /* Sentinel */
 };