diff --git a/scripts/upgrade b/scripts/upgrade
index ac92353..c510373 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -16,7 +16,6 @@ ynh_script_progression --message="Loading installation settings..."
 app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get $app domain)
 path_url=$(ynh_app_setting_get $app path)
-is_public=$(ynh_app_setting_get --app=$app --key=is_public)
 admin=$(ynh_app_setting_get $app admin)
 final_path=$(ynh_app_setting_get $app final_path)
 db_name=$(ynh_app_setting_get $app db_name)