diff --git a/source/blender/python/gpu/gpu_py_element.cc b/source/blender/python/gpu/gpu_py_element.cc
index 328b82894b8..ff0bf2f8e00 100644
--- a/source/blender/python/gpu/gpu_py_element.cc
+++ b/source/blender/python/gpu/gpu_py_element.cc
@@ -42,8 +42,9 @@ static PyObject *pygpu_IndexBuf__tp_new(PyTypeObject * /*type*/, PyObject *args,
   static const char *_keywords[] = {"type", "seq", nullptr};
   static _PyArg_Parser _parser = {
       PY_ARG_PARSER_HEAD_COMPAT()
-      "$O" /* `type` */
-      "&O" /* `seq` */
+      "$"  /* Keyword only arguments. */
+      "O&" /* `type` */
+      "O"  /* `seq` */
       ":IndexBuf.__new__",
       _keywords,
       nullptr,