diff --git a/playbooks/roles/galera_server/files/mysql_init.sh b/playbooks/roles/galera_server/files/mysql_init.sh
index 1b50d2c33a..3bdc60ef16 100644
--- a/playbooks/roles/galera_server/files/mysql_init.sh
+++ b/playbooks/roles/galera_server/files/mysql_init.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 ### BEGIN INIT INFO
 # Provides:          mysql
diff --git a/playbooks/roles/lxc_container_create/templates/autodev.j2 b/playbooks/roles/lxc_container_create/templates/autodev.j2
index 259f15e7f5..6078bc64d0 100644
--- a/playbooks/roles/lxc_container_create/templates/autodev.j2
+++ b/playbooks/roles/lxc_container_create/templates/autodev.j2
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 cd ${LXC_ROOTFS_MOUNT}/dev
 mkdir net
 mknod net/tun c 10 200
diff --git a/playbooks/roles/os_heat/files/templates/AWS_RDS_DBInstance.yaml b/playbooks/roles/os_heat/files/templates/AWS_RDS_DBInstance.yaml
index 30173442e6..b7c53bdd69 100644
--- a/playbooks/roles/os_heat/files/templates/AWS_RDS_DBInstance.yaml
+++ b/playbooks/roles/os_heat/files/templates/AWS_RDS_DBInstance.yaml
@@ -95,8 +95,8 @@ Resources:
             MasterUserPassword: {Ref: MasterUserPassword}
             WaitHandle: {Ref: WaitHandle}
           - |
-            #!/bin/bash -v
-            #
+            #!/usr/bin/env bash
+            set -v
             iptables -F
 
             # Helper function
diff --git a/scripts/federated-login.sh b/scripts/federated-login.sh
index 9cbd9edf51..1341010d73 100755
--- a/scripts/federated-login.sh
+++ b/scripts/federated-login.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Copyright 2015, Rackspace US, Inc.
 #
diff --git a/scripts/run-playbooks.sh b/scripts/run-playbooks.sh
index 8eacc10704..20b39a6032 100755
--- a/scripts/run-playbooks.sh
+++ b/scripts/run-playbooks.sh
@@ -37,7 +37,7 @@ info_block "Checking for required libraries." 2> /dev/null || source $(dirname $
 ## Main ----------------------------------------------------------------------
 # Create a simple task to bounce all networks within a container.
 cat > /tmp/ensure_container_networking.sh <<EOF
-#!/bin/bash
+#!/usr/bin/env bash
 INTERFACES=""
 INTERFACES+="\$(awk '/auto/ {print \$2}' /etc/network/interfaces) "
 INTERFACES+="\$(ls -1 /etc/network/interfaces.d/ | awk -F'.cfg' '{print \$1}')"