diff --git a/scripts/update-codes.js b/scripts/update-codes.js
index 28771be6..4b786afc 100644
--- a/scripts/update-codes.js
+++ b/scripts/update-codes.js
@@ -8,7 +8,7 @@ const file = require('./file.js')
 async function main() {
   console.log('Starting...')
 
-  const files = await file.list('.gh-pages/guides/*.xml')
+  const files = await file.list('.gh-pages/guides/**/*.xml')
 
   let codes = {}
   for (const filename of files) {