diff --git a/contrib/backup/config.dist b/contrib/backup/config.dist
index 2047a4475..221ca9a8d 100644
--- a/contrib/backup/config.dist
+++ b/contrib/backup/config.dist
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # zammad backup script config
 #
diff --git a/contrib/backup/functions b/contrib/backup/functions
index b92ec39d4..e3d807199 100644
--- a/contrib/backup/functions
+++ b/contrib/backup/functions
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # zammad backup script functions
 #
diff --git a/contrib/backup/zammad_backup.sh b/contrib/backup/zammad_backup.sh
index 37a2481a9..6ef7a57be 100755
--- a/contrib/backup/zammad_backup.sh
+++ b/contrib/backup/zammad_backup.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # zammad backup script
 #
diff --git a/contrib/backup/zammad_restore.sh b/contrib/backup/zammad_restore.sh
index 25c8c754a..56a357cde 100755
--- a/contrib/backup/zammad_restore.sh
+++ b/contrib/backup/zammad_restore.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # zammad restore script
 #