diff --git a/youtube/youtube-worker/README.md b/youtube/youtube-worker/README.md
index 8b7bf43..0d19082 100644
--- a/youtube/youtube-worker/README.md
+++ b/youtube/youtube-worker/README.md
@@ -14,6 +14,8 @@ worker:
     - data:/data
   environment:
     - PASSWORD=secret-passwd
+    - FORMAT=worst
+    - OUTTMPL=%(id)s.%(ext)s
   restart: always
 
 redis:
diff --git a/youtube/youtube-worker/worker.py b/youtube/youtube-worker/worker.py
index 44af958..667d2be 100755
--- a/youtube/youtube-worker/worker.py
+++ b/youtube/youtube-worker/worker.py
@@ -33,7 +33,9 @@ def download(url):
     try:
         opts = {
             'format': os.getenv('FORMAT', 'best'),
+            'outtmpl': os.getenv('OUTTMPL', '%(title)s-%(id)s.%(ext)s'),
             'progress_hooks': [hook],
+            'writeinfojson': True,
         }
         with youtube_dl.YoutubeDL(opts) as ydl:
             ydl.download([url])