diff --git a/script/gen_merge_report.sh b/script/gen_merge_report.sh
index 431b37a..9967ed6 100644
--- a/script/gen_merge_report.sh
+++ b/script/gen_merge_report.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019-2020, Arm Limited. All rights reserved.
 #