diff --git a/Include/internal/pycore_tuple.h b/Include/internal/pycore_tuple.h
index b5b2083073a..f8f55cd1ba3 100644
--- a/Include/internal/pycore_tuple.h
+++ b/Include/internal/pycore_tuple.h
@@ -63,7 +63,7 @@ struct _Py_tuple_state {
 
 #define _PyTuple_ITEMS(op) _Py_RVALUE(_PyTuple_CAST(op)->ob_item)
 
-extern PyObject *_PyTuple_FromArray(PyObject *const *, Py_ssize_t);
+PyAPI_FUNC(PyObject *) _PyTuple_FromArray(PyObject *const *, Py_ssize_t);
 PyAPI_FUNC(PyObject *) _PyTuple_FromArraySteal(PyObject *const *, Py_ssize_t);