X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/b938f26313cbd86479211389e8315b2b5c8e2052..e48e4ccbd3bb1a61c82bf3a83e1c66217cb0ccac:/app/controllers/application_controller.rb

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 0d6cdea64..2093a959c 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -101,9 +101,12 @@ class ApplicationController < ActionController::Base
   end
   
   def set_locale
+    response.header['Vary'] = 'Accept-Language'
+
     if @user
       if !@user.languages.empty?
         request.user_preferred_languages = @user.languages
+        response.header['Vary'] = '*'
       elsif !request.user_preferred_languages.empty?
         @user.languages = request.user_preferred_languages
         @user.save