diff --git a/bin/casher b/bin/casher
index 22bb4f9..991a138 100755
--- a/bin/casher
+++ b/bin/casher
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 CURL_FORMAT=<<-EOF
    time_namelookup:  %%{time_namelookup} s