diff --git a/neutron/agent/linux/interface.py b/neutron/agent/linux/interface.py
index 42a1f82d15..768a2a3700 100644
--- a/neutron/agent/linux/interface.py
+++ b/neutron/agent/linux/interface.py
@@ -336,7 +336,7 @@ class MetaInterfaceDriver(LinuxInterfaceDriver):
             tenant_name=self.conf.admin_tenant_name,
             auth_url=self.conf.auth_url,
             auth_strategy=self.conf.auth_strategy,
-            auth_region=self.conf.auth_region
+            region_name=self.conf.auth_region
         )
         self.flavor_driver_map = {}
         for flavor, driver_name in [
diff --git a/neutron/plugins/metaplugin/proxy_neutron_plugin.py b/neutron/plugins/metaplugin/proxy_neutron_plugin.py
index 1590f5ae5a..e8faa310d1 100644
--- a/neutron/plugins/metaplugin/proxy_neutron_plugin.py
+++ b/neutron/plugins/metaplugin/proxy_neutron_plugin.py
@@ -42,7 +42,7 @@ class ProxyPluginV2(db_base_plugin_v2.NeutronDbPluginV2,
             tenant_name=cfg.CONF.PROXY.admin_tenant_name,
             auth_url=cfg.CONF.PROXY.auth_url,
             auth_strategy=cfg.CONF.PROXY.auth_strategy,
-            auth_region=cfg.CONF.PROXY.auth_region
+            region_name=cfg.CONF.PROXY.auth_region
         )
 
     def _get_client(self):