diff --git a/app/controllers/tracks_controller.rb b/app/controllers/tracks_controller.rb
index a54184b3..b675bff4 100644
--- a/app/controllers/tracks_controller.rb
+++ b/app/controllers/tracks_controller.rb
@@ -116,6 +116,7 @@ def audio_with_stream(stream, mimetype, total_size)
     response.content_type = mimetype
     response.headers['accept-ranges'] = 'bytes'
     response.headers['content-length'] = (last_byte - first_byte + 1).to_s
+    response.commit!
 
     to_skip = first_byte
     while to_skip.positive?