--- a/sbin/sync/config.py.tmpl	Tue Mar 24 12:16:06 2015 +0100
+++ b/sbin/sync/config.py.tmpl	Tue Mar 24 12:24:28 2015 +0100
@@ -1,6 +1,8 @@
 from fabric.api import env
 from random import choice
 
+env.migrate_method = 'migrate'
+
 env.hosts = ['iri@web.iri.centrepompidou.fr']
 
 env.web_group = 'www-data'