diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a0ecbd23..14aab32be 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
  This migration can take a long time if you have many federated/local videos, but is designed to be safe to run multiple times:
    * Classic installation: `cd /var/www/peertube/peertube-latest && sudo -u peertube NODE_CONFIG_DIR=/var/www/peertube/config NODE_ENV=production node dist/scripts/migrations/peertube-6.3.js`
    * Docker installation: `cd /var/www/peertube-docker && docker-compose exec -u peertube peertube node dist/scripts/migrations/peertube-6.3.js`
+ * **Important for Docker admins** If you enabled the "Keep a version of the input file" configuration, files may have been stored in the container instead of the host volume. To prevent data loss, you must **copy** the files on the host before upgrading using `docker compose cp peertube:/app/storage/original-video-files docker-volume/data`
 
 ### Docker
 
diff --git a/support/docker/production/config/production.yaml b/support/docker/production/config/production.yaml
index 82f499cc4..2b4eab05c 100644
--- a/support/docker/production/config/production.yaml
+++ b/support/docker/production/config/production.yaml
@@ -49,6 +49,7 @@ storage:
   avatars: '../data/avatars/'
   web_videos: '../data/web-videos/'
   streaming_playlists: '../data/streaming-playlists'
+  original_video_files: '../data/original-video-files'
   redundancy: '../data/redundancy/'
   logs: '../data/logs/'
   previews: '../data/previews/'