diff --git a/scripts/build-behat-plugin.js b/scripts/build-behat-plugin.js
index 04daa3e94..52ec0d259 100755
--- a/scripts/build-behat-plugin.js
+++ b/scripts/build-behat-plugin.js
@@ -21,7 +21,9 @@ const { mkdirSync, copySync } = require('fs-extra');
 const { resolve, extname, dirname, basename, relative } = require('path');
 
 async function main() {
-    const pluginPath = process.argv[2] || guessPluginPath() || fail('Folder argument missing!');
+    const pluginPath = process.argv[2]
+        || guessPluginPath()
+        || fail('Folder argument missing! (you can also set the MOODLE_APP_BEHAT_PLUGIN_PATH env variable)');
     const excludeFeatures = process.argv.some(arg => arg === '--exclude-features');
     const exclusions = excludeFeatures
         ? [