X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/a56d1036d58d45777d6adeffd5a950519bc70318..aca5308bcdc5ed5d85236731b65b728a4b870a09:/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