diff --git a/Objects/descrobject.c b/Objects/descrobject.c
index b9b16d6d..49c26eb 100644
--- a/Objects/descrobject.c
+++ b/Objects/descrobject.c
@@ -84,7 +84,7 @@
                      "doesn't apply to a '%.100s' object",
                      descr_name((PyDescrObject *)descr), "?",
                      descr->d_type->tp_name,
-                     obj->ob_type->tp_name);
+                     Py_TYPE(obj)->tp_name);
         *pres = NULL;
         return 1;
     }
@@ -97,7 +97,7 @@
     /* Ensure a valid type.  Class methods ignore obj. */
     if (type == NULL) {
         if (obj != NULL)
-            type = (PyObject *)obj->ob_type;
+            type = (PyObject *)Py_TYPE(obj);
         else {
             /* Wot - no type?! */
             PyErr_Format(PyExc_TypeError,
@@ -114,7 +114,7 @@
                      "needs a type, not a '%.100s' as arg 2",
                      descr_name((PyDescrObject *)descr), "?",
                      PyDescr_TYPE(descr)->tp_name,
-                     type->ob_type->tp_name);
+                     Py_TYPE(type)->tp_name);
         return NULL;
     }
     if (!PyType_IsSubtype((PyTypeObject *)type, PyDescr_TYPE(descr))) {
@@ -194,7 +194,7 @@
                      "doesn't apply to a '%.100s' object",
                      descr_name(descr), "?",
                      descr->d_type->tp_name,
-                     obj->ob_type->tp_name);
+                     Py_TYPE(obj)->tp_name);
         *pres = -1;
         return 1;
     }
@@ -506,7 +506,7 @@
                      "but received a '%.100s'",
                      descr_name((PyDescrObject *)descr), "?",
                      PyDescr_TYPE(descr)->tp_name,
-                     self->ob_type->tp_name);
+                     Py_TYPE(self)->tp_name);
         return NULL;
     }
 
@@ -1234,7 +1234,7 @@
 {
     return PyUnicode_FromFormat("<method-wrapper '%s' of %s object at %p>",
                                wp->descr->d_base->name,
-                               wp->self->ob_type->tp_name,
+                               Py_TYPE(wp->self)->tp_name,
                                wp->self);
 }
 
@@ -1476,7 +1476,7 @@
     Py_XDECREF(gs->prop_set);
     Py_XDECREF(gs->prop_del);
     Py_XDECREF(gs->prop_doc);
-    self->ob_type->tp_free(self);
+    Py_TYPE(self)->tp_free(self);
 }
 
 static PyObject *