X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/0a040c7a79512ceb1120b88723a6a5ac146ef1c5..261862a8dd3e5f84773d922b19a8c60dc3e1b3b0:/app/controllers/application_controller.rb

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 97ab5abfc..9c6ea3b33 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -423,6 +423,7 @@ class ApplicationController < ActionController::Base
   end
 
   def map_layout
+    response.headers['Vary'] = 'X-Requested-With'
     request.xhr? ? false : 'map'
   end