diff --git a/configure-instance.sh b/configure-instance.sh
index 412c21c..52e39d0 100755
--- a/configure-instance.sh
+++ b/configure-instance.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 echo "Enter a hostname for the Frontend (eg: piped.kavin.rocks):" && read -r frontend
 echo "Enter a hostname for the Backend (eg: pipedapi.kavin.rocks):" && read -r backend
 echo "Enter a hostname for the Proxy (eg: pipedproxy.kavin.rocks):" && read -r proxy