diff --git a/script/scratch_scripts/fast-forward-master.sh b/script/scratch_scripts/fast-forward-master.sh
index 176712d..a05c8f0 100755
--- a/script/scratch_scripts/fast-forward-master.sh
+++ b/script/scratch_scripts/fast-forward-master.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2020, Arm Limited. All rights reserved.
 #