diff --git a/scripts/upgrade b/scripts/upgrade
index 1c1291c..e438e80 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,6 +21,20 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 admin=$(ynh_app_setting_get --app=$app --key=admin)
 port=$(ynh_app_setting_get --app=$app --key=port)
 
+#=================================================
+# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
+#=================================================
+ynh_script_progression --message="Backing up the app before upgrading (may take a while)..."
+
+# Backup the current version of the app
+ynh_backup_before_upgrade
+ynh_clean_setup () {
+	# restore it if the upgrade fails
+	ynh_restore_upgradebackup
+}
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
 #=================================================
 # CHECK THE PATH
 #=================================================
@@ -53,7 +67,7 @@ ynh_script_progression --message="Upgrading dependencies..."
 ynh_install_app_dependencies $pkg_dependencies
 
 # Install Webmin
-ynh_backup_if_checksum_is_different "/etc/webmin/miniserv.conf"
+ynh_backup_if_checksum_is_different --file="/etc/webmin/miniserv.conf"
 ynh_install_extra_app_dependencies --repo="deb https://download.webmin.com/download/repository sarge contrib" --package="webmin" --key="https://download.webmin.com/jcameron-key.asc"
 
 #=================================================