diff --git a/scripts/render_help.sh b/scripts/render_help.sh
index 40a5ec5..a639f24 100755
--- a/scripts/render_help.sh
+++ b/scripts/render_help.sh
@@ -1,3 +1,6 @@
-#!/bin/bash
-# Render the help to an SVG; render that SVG to a .png image
-RENDER_HELP_FORMAT=png RENDER_HELP_OUTPUT_DIR=doc/svgs/rendered_images/ pdfalyze --help
+#!/usr/bin/env bash
+set -o errexit
+set -o errtrace
+set -o nounset
+set -o pipefail
+RENDER_HELP_FORMAT="png" RENDER_HELP_OUTPUT_DIR="doc/svgs/rendered_images/" pdfalyze --help