diff --git a/app/controllers/api/v1/statuses_controller.rb b/app/controllers/api/v1/statuses_controller.rb
index 8b7690850f..453d003da2 100644
--- a/app/controllers/api/v1/statuses_controller.rb
+++ b/app/controllers/api/v1/statuses_controller.rb
@@ -83,7 +83,11 @@ class Api::V1::StatusesController < ApiController
   end
 
   def unfavourite
-    @status = UnfavouriteService.new.call(current_user.account, Status.find(params[:id])).status.reload
+    @status         = Status.find(params[:id])
+    @favourited_map = { @status.id => false }
+
+    UnfavouriteWorker.perform_async(current_user.account_id, @status.id)
+
     render action: :show
   end
 
diff --git a/app/views/api/oembed/show.json.rabl b/app/views/api/oembed/show.json.rabl
index f33b70ee5f..311c02dadd 100644
--- a/app/views/api/oembed/show.json.rabl
+++ b/app/views/api/oembed/show.json.rabl
@@ -11,4 +11,4 @@ node(:provider_url) { root_url }
 node(:cache_age) { 86_400 }
 node(:html) { |entry| "<iframe src=\"#{embed_account_stream_entry_url(entry.account, entry)}\" style=\"width: 100%; overflow: hidden\" frameborder=\"0\" width=\"#{@width}\" height=\"#{@height}\" scrolling=\"no\"></iframe>" }
 node(:width) { @width }
-node(:height) { nil }
+node(:height) { @height }
diff --git a/app/workers/unfavourite_worker.rb b/app/workers/unfavourite_worker.rb
new file mode 100644
index 0000000000..a14c82d6fc
--- /dev/null
+++ b/app/workers/unfavourite_worker.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class UnfavouriteWorker
+  include Sidekiq::Worker
+
+  def perform(account_id, status_id)
+    UnfavouriteService.new.call(Account.find(account_id), Status.find(status_id))
+  end
+end