diff --git a/Objects/genobject.c b/Objects/genobject.c
index 562d41d674c..19d388eeebf 100644
--- a/Objects/genobject.c
+++ b/Objects/genobject.c
@@ -167,7 +167,7 @@ gen_send_ex(PyGenObject *gen, PyObject *arg, int exc, int closing)
         /* Check for __future__ generator_stop and conditionally turn
          * a leaking StopIteration into RuntimeError (with its cause
          * set appropriately). */
-        if (((PyCodeObject *)gen->gi_code)->co_flags &
+        if (gen->gi_code != NULL && ((PyCodeObject *)gen->gi_code)->co_flags &
               (CO_FUTURE_GENERATOR_STOP | CO_COROUTINE | CO_ITERABLE_COROUTINE))
         {
             PyObject *exc, *val, *val2, *tb;