diff --git a/Modules/overlapped.c b/Modules/overlapped.c
index 3829932..38dd98f 100644
--- a/Modules/overlapped.c
+++ b/Modules/overlapped.c
@@ -722,7 +722,7 @@ Overlapped_dealloc(OverlappedObject *self)
     SetLastError(olderr);
 
     PyTypeObject *tp = Py_TYPE(self);
-    PyObject_Del(self);
+    PyObject_Free(self);
     Py_DECREF(tp);
 }