diff --git a/Lib/python/builtin.swg b/Lib/python/builtin.swg
index 5062a8b42..28051e67b 100644
--- a/Lib/python/builtin.swg
+++ b/Lib/python/builtin.swg
@@ -117,7 +117,7 @@ SwigPyBuiltin_FunpackSetterClosure (PyObject *obj, PyObject *val, void *closure)
 
 SWIGINTERN void
 SwigPyStaticVar_dealloc(PyDescrObject *descr) {
-  _PyObject_GC_UNTRACK(descr);
+  PyObject_GC_UnTrack(descr);
   Py_XDECREF(PyDescr_TYPE(descr));
   Py_XDECREF(PyDescr_NAME(descr));
   PyObject_GC_Del(descr);