diff --git a/install-dat-release.sh b/install-dat-release.sh
index dbd876c..e489045 100644
--- a/install-dat-release.sh
+++ b/install-dat-release.sh
@@ -1,4 +1,6 @@
-#!/bin/bash
+#!/usr/bin/env bash
+
+set -euxo pipefail
 
 # This Bash script to install the latest release of geoip.dat and geosite.dat:
 
diff --git a/install-release.sh b/install-release.sh
index 6c70fd7..8439e01 100644
--- a/install-release.sh
+++ b/install-release.sh
@@ -1,4 +1,6 @@
-#!/bin/bash
+#!/usr/bin/env bash
+
+set -euxo pipefail
 
 # The files installed by the script conform to the Filesystem Hierarchy Standard:
 # https://wiki.linuxfoundation.org/lsb/fhs