diff -r 3f833af54891 -r f82f7bc4e13f sbin/sync/config.py.tmpl
--- a/sbin/sync/config.py.tmpl	Thu Mar 19 22:34:55 2015 +0100
+++ b/sbin/sync/config.py.tmpl	Thu Mar 19 22:52:43 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'