diff --git a/config/application.rb b/config/application.rb
index 6c07bb6..40bfd2c 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -31,6 +31,7 @@ module DanBarberPhoto
 
     # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
     config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
+    config.i18n.enforce_available_locales = true
     config.i18n.default_locale = :en
 
     # Configure the default encoding used in templates for Ruby 1.9.