diff --git a/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py b/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py
index ee95c2e3e98..eeff3dc97bb 100644
--- a/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py
+++ b/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py
@@ -889,7 +889,7 @@ class LinuxBridgeNeutronAgentRPC(service.Service):
             else:
                 LOG.error(_LE("Unable to obtain MAC address for unique ID. "
                               "Agent terminated!"))
-                exit(1)
+                sys.exit(1)
 
         self.plugin_rpc = agent_rpc.PluginApi(topics.PLUGIN)
         self.sg_plugin_rpc = sg_rpc.SecurityGroupServerRpcApi(topics.PLUGIN)
diff --git a/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py b/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py
index fde43d5f440..897774ea35f 100644
--- a/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py
+++ b/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py
@@ -1016,7 +1016,7 @@ class OVSNeutronAgent(sg_rpc.SecurityGroupAgentRpcCallbackMixin,
                           "tunneling enabled on this agent, since this "
                           "version of OVS does not support tunnels or patch "
                           "ports. Agent terminated!"))
-            exit(1)
+            sys.exit(1)
         if self.conf.AGENT.drop_flows_on_start:
             self.tun_br.delete_flows()