diff --git a/etc/ppp/ip-down.local.example b/etc/ppp/ip-down.local.example
index 54a5328c..5af3e657 100755
--- a/etc/ppp/ip-down.local.example
+++ b/etc/ppp/ip-down.local.example
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 case "$PPP_IPPARAM" in
     openfortivpn*)
diff --git a/etc/ppp/ip-up.local.example b/etc/ppp/ip-up.local.example
index 8694aa46..d028b17a 100755
--- a/etc/ppp/ip-up.local.example
+++ b/etc/ppp/ip-up.local.example
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 case "$PPP_IPPARAM" in
     openfortivpn*)
diff --git a/tests/lint/astyle.sh b/tests/lint/astyle.sh
index 49b7b5e9..efaaf2b9 100755
--- a/tests/lint/astyle.sh
+++ b/tests/lint/astyle.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright (c) 2015 Adrien Vergé
 
 # Check that astyle is installed
diff --git a/tests/lint/checkpatch.sh b/tests/lint/checkpatch.sh
index 4da4c2b8..088af2f0 100755
--- a/tests/lint/checkpatch.sh
+++ b/tests/lint/checkpatch.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright (c) 2020 Dimitri Papadopoulos
 
 # Path to checkpatch.pl
diff --git a/tests/lint/eol-at-eof.sh b/tests/lint/eol-at-eof.sh
index 8458d0bd..7a5da487 100755
--- a/tests/lint/eol-at-eof.sh
+++ b/tests/lint/eol-at-eof.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright (c) 2015 Adrien Vergé
 
 rc=0
diff --git a/tests/lint/line_length.py b/tests/lint/line_length.py
index 8bbd5e23..2b82b190 100755
--- a/tests/lint/line_length.py
+++ b/tests/lint/line_length.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 # Copyright (c) 2015 Adrien Vergé
 
 """Enforce maximum line length in openfortivpn C source code.
diff --git a/tests/lint/run.sh b/tests/lint/run.sh
index 2ef9bcb5..a76df242 100755
--- a/tests/lint/run.sh
+++ b/tests/lint/run.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright (c) 2015 Adrien Vergé
 
 rc=0