diff --git a/run-tests b/run-tests
index 6004911..c228f15 100755
--- a/run-tests
+++ b/run-tests
@@ -1,4 +1,7 @@
-#!/bin/bash -eu
+#!/usr/bin/env bash
+
+set -e
+set -u
 
 # Author: w0rp <devw0rp@gmail.com>
 #
diff --git a/test/script/check-supported-tools-tables b/test/script/check-supported-tools-tables
index 32cebb2..220c742 100755
--- a/test/script/check-supported-tools-tables
+++ b/test/script/check-supported-tools-tables
@@ -1,4 +1,7 @@
-#!/bin/bash -eu
+#!/usr/bin/env bash
+
+set -e
+set -u
 
 # This script compares the table of supported tools in both the README file
 # and the doc/ale.txt file, so we can complain if they don't match up.
diff --git a/test/script/check-toc b/test/script/check-toc
index cc2d2b9..8e41158 100755
--- a/test/script/check-toc
+++ b/test/script/check-toc
@@ -1,4 +1,7 @@
-#!/bin/bash -eu
+#!/usr/bin/env bash
+
+set -e
+set -u
 
 # This script checks that the table of contents for the supported tools is
 # sorted, and that the table matches the files.
diff --git a/test/script/custom-checks b/test/script/custom-checks
index 791053d..76b9bc8 100755
--- a/test/script/custom-checks
+++ b/test/script/custom-checks
@@ -1,4 +1,7 @@
-#!/bin/bash -eu
+#!/usr/bin/env bash
+
+set -e
+set -u
 
 exit_code=0
 image=w0rp/ale
diff --git a/test/script/custom-linting-rules b/test/script/custom-linting-rules
index ef6d792..0d1a0fd 100755
--- a/test/script/custom-linting-rules
+++ b/test/script/custom-linting-rules
@@ -1,4 +1,7 @@
-#!/bin/bash -eu
+#!/usr/bin/env bash
+
+set -e
+set -u
 
 # This Bash script implements custom sanity checks for scripts beyond what
 # Vint covers, which are easy to check with regex.
diff --git a/test/script/run-vader-tests b/test/script/run-vader-tests
index a10b8ba..3e7e815 100755
--- a/test/script/run-vader-tests
+++ b/test/script/run-vader-tests
@@ -1,4 +1,7 @@
-#!/bin/bash -eu
+#!/usr/bin/env bash
+
+set -e
+set -u
 
 image=w0rp/ale
 docker_flags=(--rm -v "$PWD:/testplugin" -v "$PWD/test:/home" -w /testplugin "$image")
diff --git a/test/script/run-vint b/test/script/run-vint
index e114030..0d5b6e1 100755
--- a/test/script/run-vint
+++ b/test/script/run-vint
@@ -1,4 +1,7 @@
-#!/bin/bash -eu
+#!/usr/bin/env bash
+
+set -e
+set -u
 
 exit_code=0
 image=w0rp/ale