I set in config/application.rb usually config.i18n.fallbacks = [:de, :fr, :en] So you can declare the order of the fallback. But keep attention in some environments/*.rb the configuration is overwritten.
Important: Make sure your app is not using I18n 0.6.8, it has a bug that prevents the configuration to be set correctly. Short answer In order to silence the warning edit the application.rb file and include the following line inside the Rails::Application body config.i18n.enforce_available_locales = true The possible values are: false: if you want to … Read more