diff --git a/scripts/upgrade b/scripts/upgrade
index 739633c..524354a 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,7 +21,6 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 admin=$(ynh_app_setting_get --app=$app --key=admin)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 language=$(ynh_app_setting_get --app=$app --key=language)
-is_public=$YNH_APP_ARG_IS_PUBLIC
 
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)