diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index a90a295fb..6e9be2de4 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -250,6 +250,8 @@ class ApplicationController < ActionController::Base
 
     I18n.locale = request.compatible_language_from(I18n.available_locales) || I18n.default_locale
 
+    logger.info "Selected locale #{I18n.locale} from #{request.user_preferred_languages.inspect}"
+
     response.headers['Content-Language'] = I18n.locale.to_s
   end