diff --git a/scripts/upgrade b/scripts/upgrade
index 749b6aad..b1233c8b 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -15,6 +15,8 @@ source /usr/share/yunohost/helpers
 ynh_script_progression --message="Loading settings..." --weight=1
 
 email=$(ynh_user_get_info --username=$admin --key=mail)
+random_string=$(ynh_app_setting_get --app=$app --key=random_string)
+
 
 #=================================================
 # CHECK VERSION