diff --git a/source/blender/python/generic/idprop_py_ui_api.cc b/source/blender/python/generic/idprop_py_ui_api.cc
index 8f873ef9572..c04fa040c3e 100644
--- a/source/blender/python/generic/idprop_py_ui_api.cc
+++ b/source/blender/python/generic/idprop_py_ui_api.cc
@@ -644,7 +644,11 @@ static void idprop_ui_data_to_dict_id(IDProperty *property, PyObject *dict)
   }
 
   const char *id_type = nullptr;
-  RNA_enum_identifier(rna_enum_id_type_items, id_type_value, &id_type);
+  if (!RNA_enum_identifier(rna_enum_id_type_items, id_type_value, &id_type)) {
+    /* Same fall-back as above, in case it is an unknown ID type (from a future version of Blender
+     * e.g.). */
+    RNA_enum_identifier(rna_enum_id_type_items, ID_OB, &id_type);
+  }
   PyObject *item = PyUnicode_FromString(id_type);
   PyDict_SetItemString(dict, "id_type", item);
   Py_DECREF(item);