1 files changed, 3 insertions, 2 deletions
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 887a916563a..ac343a8048e 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -2384,10 +2384,11 @@ sys__getframemodulename_impl(PyObject *module, int depth)
     while (f && (_PyFrame_IsIncomplete(f) || depth-- > 0)) {
         f = f->previous;
     }
-    if (f == NULL || f->f_funcobj == NULL) {
+    if (f == NULL || PyStackRef_IsNull(f->f_funcobj)) {
         Py_RETURN_NONE;
     }
-    PyObject *r = PyFunction_GetModule(f->f_funcobj);
+    PyObject *func = PyStackRef_AsPyObjectBorrow(f->f_funcobj);
+    PyObject *r = PyFunction_GetModule(func);
     if (!r) {
         PyErr_Clear();
         r = Py_None;