diff --git a/scripts/upgrade b/scripts/upgrade
index c06b1bd..fdbb2ad 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -47,6 +47,15 @@ fi
 # Normalize the URL path syntax
 path_url=$(ynh_normalize_url_path $path_url)
 
+# 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
+
 #=================================================
 # STANDARD UPGRADE STEPS
 #=================================================