diff --git a/scripts/change_url b/scripts/change_url
index ffe6c72..e976fa8 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -25,6 +25,7 @@ ynh_change_url_nginx_config
 #=================================================
 ynh_script_progression --message="Updating a configuration file..." --weight=1
 
+domain=$new_domain
 ynh_add_config --template="../conf/config.php" --destination="$install_dir/config.php"
 
 chmod 400 "$install_dir/config.php"