diff --git a/xos/configurations/vtn/docker-compose.yml b/xos/configurations/vtn/docker-compose.yml
index e7bb6b1..7fb68f1 100644
--- a/xos/configurations/vtn/docker-compose.yml
+++ b/xos/configurations/vtn/docker-compose.yml
@@ -21,7 +21,7 @@
 
 xos_synchronizer_onos:
     image: xosproject/xos-synchronizer-openstack
-    command: bash -c "python /opt/xos/synchronizers/onos/onos-observer.py -C /opt/xos/synchronizers/onos/onos_observer_config"
+    command: bash -c "python /opt/xos/synchronizers/onos/onos-synchronizer.py -C /opt/xos/synchronizers/onos/onos_synchronizer_config"
     labels:
         org.xosproject.kind: synchronizer
         org.xosproject.target: onos