diff --git a/neutron/tests/unit/plugins/ml2/test_rpc.py b/neutron/tests/unit/plugins/ml2/test_rpc.py
index b0ea8f7018b..646e6a5f946 100644
--- a/neutron/tests/unit/plugins/ml2/test_rpc.py
+++ b/neutron/tests/unit/plugins/ml2/test_rpc.py
@@ -317,7 +317,7 @@ class RpcCallbacksTestCase(base.BaseTestCase):
 class RpcApiTestCase(base.BaseTestCase):
 
     def _test_rpc_api(self, rpcapi, topic, method, rpc_method, **kwargs):
-        ctxt = oslo_context.RequestContext(user='fake_user',
+        ctxt = oslo_context.RequestContext(user_id='fake_user',
                                            tenant='fake_project')
         expected_retval = 'foo' if rpc_method == 'call' else None
         expected_version = kwargs.pop('version', None)