diff --git a/ironic_tempest_plugin/tests/api/admin/test_nodestates.py b/ironic_tempest_plugin/tests/api/admin/test_nodestates.py
index 58ca016..a491f6f 100644
--- a/ironic_tempest_plugin/tests/api/admin/test_nodestates.py
+++ b/ironic_tempest_plugin/tests/api/admin/test_nodestates.py
@@ -80,7 +80,7 @@
     def test_set_node_provision_state(self):
         _, node = self.create_node(self.chassis['uuid'])
         # Nodes appear in NONE state by default until v1.1
-        self.assertEqual(None, node['provision_state'])
+        self.assertIsNone(node['provision_state'])
         provision_states_list = ['active', 'deleted']
         target_states_list = ['active', None]
         for (provision_state, target_state) in zip(provision_states_list,