diff --git a/utils/airtime-backup.sh b/utils/airtime-backup.sh
index afd8f9503..92356e15e 100644
--- a/utils/airtime-backup.sh
+++ b/utils/airtime-backup.sh
@@ -1,3 +1,5 @@
+#!/bin/bash
+
 sound_folder='/srv/airtime/stor/'
 backup_folder='/home/example/backup/'
 psql_user='airtime'