diff --git a/yunohost_tools.py b/yunohost_tools.py
index f4ea04f3..6bccd2a5 100644
--- a/yunohost_tools.py
+++ b/yunohost_tools.py
@@ -139,6 +139,7 @@ def tools_maindomain(old_domain, new_domain):
         'cp /etc/yunohost/apache/templates/user.fixed.conf  /etc/yunohost/apache/domains/' + new_domain + '.d/user.fixed.conf',
         '/usr/share/lemonldap-ng/bin/lmYnhMoulinette',
         '/etc/init.d/hostname.sh',
+        'cp    /etc/yunohost/certs/'+ new_domain +'/key.pem /etc/metronome/certs/yunohost_key.pem',
         'ln -s /etc/yunohost/certs/'+ new_domain +'/key.pem /etc/ssl/private/yunohost_key.pem',
         'ln -s /etc/yunohost/certs/'+ new_domain +'/crt.pem /etc/ssl/certs/yunohost_crt.pem',
         'echo '+ new_domain +' > /etc/yunohost/current_host',