diff --git a/config/nginx.conf.erb b/config/nginx.conf.erb
index 35c64d45120..1b3a13226ba 100644
--- a/config/nginx.conf.erb
+++ b/config/nginx.conf.erb
@@ -47,6 +47,7 @@ http {
 
 		location / {
 			add_header Strict-Transport-Security "max-age=31536000" always;
+            add_header Vary 'Accept, Accept-Encoding, Cookie';
 			proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 			proxy_set_header Host $http_host;
 			proxy_redirect off;