diff --git a/tests/overlay-local-store/remount.sh b/tests/overlay-local-store/remount.sh
index ee91c6b43..0b06debb5 100755
--- a/tests/overlay-local-store/remount.sh
+++ b/tests/overlay-local-store/remount.sh
@@ -1,2 +1,2 @@
-#!/usr/bin/env bash
+#!/bin/sh
 mount -o remount "$1"