--- a/bindings/python/_prelude.cxx
+++ b/bindings/python/_prelude.cxx
@@ -3132,7 +3132,7 @@
 
 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);