diff --git a/src/scripts/vnet/dhcp/left-ping-target.sh b/src/scripts/vnet/dhcp/left-ping-target.sh
index 2edc2a5..4dab842 100644
--- a/src/scripts/vnet/dhcp/left-ping-target.sh
+++ b/src/scripts/vnet/dhcp/left-ping-target.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # to obtain dhcp address from leftpeer
 dhclient -d -v eth1