diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 554e1c8..cef7d47 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -2959,6 +2959,16 @@
                     continue
                 cant(cls(), cls2)
 
+        # Issue5283: when __class__ changes in __del__, the wrong
+        # type gets DECREF'd.
+        class O(object):
+            pass
+        class A(object):
+            def __del__(self):
+                self.__class__ = O
+        l = [A() for x in range(100)]
+        del l
+
     def test_set_dict(self):
         # Testing __dict__ assignment...
         class C(object): pass
diff --git a/Misc/NEWS b/Misc/NEWS
index 546c7c1..5c074e1 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -15,6 +15,8 @@
 - Issue #5787: object.__getattribute__(some_type, "__bases__") segfaulted on
   some builtin types.
 
+- Issue #5283: Setting __class__ in __del__ caused a segfault.
+
 - Issue #5759: float() didn't call __float__ on str subclasses.
 
 Library
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index ddfc730..7e48172 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -928,6 +928,9 @@
 			assert(base);
 		}
 
+		/* Extract the type again; tp_del may have changed it */
+		type = Py_TYPE(self);
+
 		/* Call the base tp_dealloc() */
 		assert(basedealloc);
 		basedealloc(self);
@@ -1009,6 +1012,9 @@
 		}
 	}
 
+	/* Extract the type again; tp_del may have changed it */
+	type = Py_TYPE(self);
+
 	/* Call the base tp_dealloc(); first retrack self if
 	 * basedealloc knows about gc.
 	 */