diff --git a/app/models/media_attachment.rb b/app/models/media_attachment.rb
index 9c6c04556e282e971b6dd87e3f4b520b5bc936b9..13737742241a440e0b4f89398537896b103b97dc 100644
--- a/app/models/media_attachment.rb
+++ b/app/models/media_attachment.rb
@@ -87,6 +87,7 @@ class MediaAttachment < ApplicationRecord
       convert_options: {
         output: {
           'loglevel' => 'fatal',
+          'map_metadata' => '-1',
           'q:a' => 2,
         },
       },