diff --git a/config/application.rb b/config/application.rb
index 83124cfdac44ec31c97d53182d921429ca8f82f4..929a44948f12a4b08fc25170de8bc68fab322617 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -93,6 +93,7 @@ module Mastodon
       :fa,
       :fi,
       :fr,
+      :fy,
       :ga,
       :gd,
       :gl,