diff --git a/yunohost_tools.py b/yunohost_tools.py
index eebcffbe..7bc11c2d 100644
--- a/yunohost_tools.py
+++ b/yunohost_tools.py
@@ -117,7 +117,7 @@ def tools_maindomain(old_domain, new_domain):
         "$tmp->{'domain'} = '"+ new_domain +"';", # Replace Lemon domain
         "$tmp->{'ldapBase'} = 'dc=yunohost,dc=org';", # Set ldap basedn
         "$tmp->{'portal'} = 'https://"+ new_domain +"/sso/';", # Set SSO url
-        "$tmp->{'locationRules'}->{'"+ new_domain +"'}->{'(?#0ynh_admin)^/ynh_admin/'} = '$uid eq \"admin\"';"
+        "$tmp->{'locationRules'}->{'"+ new_domain +"'}->{'(?#0ynh_admin)^/ynh-admin/'} = '$uid eq \"admin\"';"
     ]
 
     with open(lemon_tmp_conf,'a') as lemon_conf: