diff --git a/dockerimg/post-receive.sh b/dockerimg/post-receive.sh
index 360600d..79b4b9d 100644
--- a/dockerimg/post-receive.sh
+++ b/dockerimg/post-receive.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Post-receive hook for sketch git http server
 # Sets upstream tracking branch for sketch branches