diff --git a/xos/synchronizers/vtn/vtn_synchronizer_config b/xos/synchronizers/vtn/vtn_synchronizer_config
index 00659f4..d931839 100644
--- a/xos/synchronizers/vtn/vtn_synchronizer_config
+++ b/xos/synchronizers/vtn/vtn_synchronizer_config
@@ -29,10 +29,13 @@
 deleters_dir=/opt/xos/synchronizers/vtn/deleters
 log_file=console
 #/var/log/hpc.log
-driver=None
+driver=openstack
 pretend=False
 backoff_disabled=True
 
+[nova]
+ca_ssl_cert=/etc/ssl/certs/ca-certificates.crt
+
 [feefie]
 client_id='vicci_dev_central'
 user_id='pl'