diff --git a/cloudinit/sources/DataSourceMAAS.py b/cloudinit/sources/DataSourceMAAS.py
index dba420dc..bc3ffc35 100644
--- a/cloudinit/sources/DataSourceMAAS.py
+++ b/cloudinit/sources/DataSourceMAAS.py
@@ -48,7 +48,7 @@ class DataSourceMAAS(sources.DataSource):
sources.DataSource.__init__(self, sys_cfg, distro, paths)
self.base_url = None
self.seed_dir = os.path.join(paths.seed_dir, 'maas')
- self.oauth_helper = self._get_helper()
+ self.id_hash = get_id_from_ds_cfg(self.ds_cfg)
def _get_helper(self):
mcfg = self.ds_cfg