diff --git a/lib/music_library_web/controllers/collection_json.ex b/lib/music_library_web/controllers/collection_json.ex
index 066bd9fc..cadb3b22 100644
--- a/lib/music_library_web/controllers/collection_json.ex
+++ b/lib/music_library_web/controllers/collection_json.ex
@@ -5,7 +5,8 @@ defmodule MusicLibraryWeb.CollectionJSON do
     %{
       artists: Enum.map(record.artists, & &1.name),
       title: record.title,
-      cover_url: url(~p"/api/covers/#{record.id}?#{[vsn: record.cover_hash]}")
+      cover_url: url(~p"/api/covers/#{record.id}?#{[vsn: record.cover_hash]}"),
+      thumb_url: url(~p"/api/covers/#{record.id}?#{[vsn: record.cover_hash, size: 480]}")
     }
   end
 end
diff --git a/test/music_library_web/controllers/collection_controller_test.exs b/test/music_library_web/controllers/collection_controller_test.exs
index d7f5947f..b69f67d3 100644
--- a/test/music_library_web/controllers/collection_controller_test.exs
+++ b/test/music_library_web/controllers/collection_controller_test.exs
@@ -31,7 +31,9 @@ defmodule MusicLibraryWeb.CollectionControllerTest do
                "artists" => ["Steven Wilson"],
                "title" => record.title,
                "cover_url" =>
-                 "http://localhost:4002/api/covers/#{record.id}?vsn=#{record.cover_hash}"
+                 "http://localhost:4002/api/covers/#{record.id}?vsn=#{record.cover_hash}",
+               "thumb_url" =>
+                 "http://localhost:4002/api/covers/#{record.id}?vsn=#{record.cover_hash}&size=480"
              }
     end
   end