diff --git a/config/initializers/rails_admin.rb b/config/initializers/rails_admin.rb
index 07e4da58..51c67eb8 100644
--- a/config/initializers/rails_admin.rb
+++ b/config/initializers/rails_admin.rb
@@ -3,8 +3,8 @@
 # workaround to get pagination right
 RailsAdmin.config do |config|
   config.asset_source = :webpacker
-  config.main_app_name = ['justask', 'Kontrollzentrum']
-  config.parent_controller = '::ApplicationController'
+  config.main_app_name = %w[justask Kontrollzentrum]
+  config.parent_controller = "::ApplicationController"
 
   ## == Authentication ==
   config.authenticate_with do