diff --git a/files/automysqlbackup_post_script b/files/automysqlbackup_post_script
index a551ed7..8cac307 100644
--- a/files/automysqlbackup_post_script
+++ b/files/automysqlbackup_post_script
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 source /etc/default/automysqlbackup