diff --git a/scripts/change_url b/scripts/change_url
index 8607037..4480004 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -29,6 +29,7 @@ ynh_script_progression --message="Loading installation settings..." --weight=1
 # Needed for helper "ynh_add_nginx_config"
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 port=$(ynh_app_setting_get --app=$app --key=port)
+redis_db=$(ynh_app_setting_get --app=$app --key=redis_db)
 
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
@@ -106,6 +107,7 @@ fi
 #=================================================
 ynh_script_progression --message="Adding a configuration file..." --weight=2
 
+domain=$new_domain
 ynh_add_config --template="../conf/config.js" --destination="$final_path/server/config.js"
 
 chmod 400 "$final_path/server/config.js"