diff --git a/plugins/zfs/zpool_iostat b/plugins/zfs/zpool_iostat
index 8435d294..d9d70bac 100755
--- a/plugins/zfs/zpool_iostat
+++ b/plugins/zfs/zpool_iostat
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 if [ "$1" = "autoconf" ]; then
                 echo yes