diff --git a/conf/cronjob/dovecot b/conf/cronjob/dovecot
index 8de53e63..51ab1c95 100644
--- a/conf/cronjob/dovecot
+++ b/conf/cronjob/dovecot
@@ -1 +1,2 @@
+#!/bin/bash
 /usr/bin/doveadm fts rescan -A