diff --git a/plugins/time/ntp_pool_score_ b/plugins/time/ntp_pool_score_
index c206b9ab..be3218c9 100755
--- a/plugins/time/ntp_pool_score_
+++ b/plugins/time/ntp_pool_score_
@@ -1,5 +1,5 @@
-#!/bin/bash
-# -*- bash -*-
+#!/bin/sh
+# -*- sh -*-
 
 : << =cut