diff --git a/s/cron/previews.sh b/s/cron/previews.sh
index 64c299627..ae0fe7b06 100755
--- a/s/cron/previews.sh
+++ b/s/cron/previews.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 function abort() {
 echo $1