diff --git a/lib/neutron_plugins/linuxbridge b/lib/neutron_plugins/linuxbridge
index 9aad8f39ae..37bc748c37 100644
--- a/lib/neutron_plugins/linuxbridge
+++ b/lib/neutron_plugins/linuxbridge
@@ -5,6 +5,8 @@
 MY_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
+source $TOP_DIR/lib/neutron_plugins/linuxbridge_agent
+
 function neutron_plugin_configure_common() {
     Q_PLUGIN_CONF_PATH=etc/neutron/plugins/linuxbridge
     Q_PLUGIN_CONF_FILENAME=linuxbridge_conf.ini