diff --git a/script/prepare-commit-msg b/script/prepare-commit-msg
index 9bbddeae85..e8c7dad5d7 100755
--- a/script/prepare-commit-msg
+++ b/script/prepare-commit-msg
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -eo pipefail
 
 # exit on existing commit message