diff --git a/scripts/ipkg-make-index.sh b/scripts/ipkg-make-index.sh
index a529f28ef5..31b4327da3 100755
--- a/scripts/ipkg-make-index.sh
+++ b/scripts/ipkg-make-index.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 set -e
 
 pkg_dir=$1