diff --git a/Dockerfile b/Dockerfile
index 2405d1b..1f19971 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM node as builder
 
 WORKDIR /metube
 COPY ui ./
-RUN npm install && \
+RUN npm ci && \
     node_modules/.bin/ng build --prod
 
 
@@ -25,6 +25,7 @@ COPY app ./app
 COPY --from=builder /metube/dist/metube ./ui/dist/metube
 
 ENV DOWNLOAD_DIR /downloads
+ENV AUDIO_DOWNLOAD_DIR /downloads
 VOLUME /downloads
 EXPOSE 8081
 CMD ["python3", "app/main.py"]
diff --git a/README.md b/README.md
index 3997f46..4942bad 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,7 @@ services:
 Certain values can be set via environment variables, using the `-e` parameter on the docker command line, or the `environment:` section in docker-compose.
 
 * __DOWNLOAD_DIR__: path to where the downloads will be saved. Defaults to `/downloads` in the docker image, and `.` otherwise.
+* __AUDIO_DOWNLOAD_DIR__: path to where the audio downloads will be saved. Defaults to `/downloads` in the docker image, and `.` otherwise.
 * __URL_PREFIX__: base path for the web server (for use when hosting behind a reverse proxy). Defaults to `/`.
 * __OUTPUT_TEMPLATE__: the template for the filenames of the downloaded videos, formatted according to [this spec](https://github.com/ytdl-org/youtube-dl/blob/master/README.md#output-template). Defaults to `%(title)s.%(ext)s`.
 
diff --git a/app/main.py b/app/main.py
index b8b512d..194bba6 100644
--- a/app/main.py
+++ b/app/main.py
@@ -16,6 +16,7 @@ log = logging.getLogger('main')
 class Config:
     _DEFAULTS = {
         'DOWNLOAD_DIR': '.',
+        'AUDIO_DOWNLOAD_DIR': '.',
         'URL_PREFIX': '',
         'OUTPUT_TEMPLATE': '%(title)s.%(ext)s',
     }
diff --git a/app/ytdl.py b/app/ytdl.py
index c6b09ff..d29f108 100644
--- a/app/ytdl.py
+++ b/app/ytdl.py
@@ -148,7 +148,8 @@ class DownloadQueue:
         elif etype == 'video' or etype.startswith('url') and 'id' in entry:
             if entry['id'] not in self.queue:
                 dl = DownloadInfo(entry['id'], entry['title'], entry.get('webpage_url') or entry['url'])
-                self.queue[entry['id']] = Download(self.config.DOWNLOAD_DIR, self.config.OUTPUT_TEMPLATE, quality, dl)
+                dldirectory = self.config.DOWNLOAD_DIR if quality != 'audio' else self.config.AUDIO_DOWNLOAD_DIR
+                self.queue[entry['id']] = Download(dldirectory, self.config.OUTPUT_TEMPLATE, quality, dl)
                 self.event.set()
                 await self.notifier.added(dl)
             return {'status': 'ok'}