diff --git a/src/invidious/routes/api/v1/videos.cr b/src/invidious/routes/api/v1/videos.cr
index ed4a34ac..ac4ab13c 100644
--- a/src/invidious/routes/api/v1/videos.cr
+++ b/src/invidious/routes/api/v1/videos.cr
@@ -405,6 +405,7 @@ module Invidious::Routes::API::V1::Videos
       response = JSON.build do |json|
         json.object do
           json.field "chapters" do
+            json.field "autoGenerated", video.automatically_generated_chapters?
             json.array do
               chapters.each do |chapter|
                 json.object do