diff --git a/terraform/aws/scripts/install.sh b/terraform/aws/scripts/install.sh
index 5fc2b417a..a6a0c54eb 100644
--- a/terraform/aws/scripts/install.sh
+++ b/terraform/aws/scripts/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -e
 
 echo "Installing dependencies..."
diff --git a/terraform/aws/scripts/ip_tables.sh b/terraform/aws/scripts/ip_tables.sh
index d2fc87cf8..b304cd1a8 100644
--- a/terraform/aws/scripts/ip_tables.sh
+++ b/terraform/aws/scripts/ip_tables.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -e
 
 sudo iptables -I INPUT -s 0/0 -p tcp --dport 8300 -j ACCEPT
diff --git a/terraform/aws/scripts/service.sh b/terraform/aws/scripts/service.sh
index be67ed090..fd8b6361f 100755
--- a/terraform/aws/scripts/service.sh
+++ b/terraform/aws/scripts/service.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -e
 
 echo "Starting Consul..."