diff --git a/config/application.rb b/config/application.rb
index 1d467dd0a..87e10500b 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -63,7 +63,7 @@
 module Lupo
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
-    # config.load_defaults 5.2
+    config.load_defaults 5.2
 
     # include graphql
     config.paths.add Rails.root.join('app', 'graphql', 'types').to_s, eager_load: true