diff --git a/varnish/default.vcl b/varnish/default.vcl
index b2a7f6f..c4ec1de 100644
--- a/varnish/default.vcl
+++ b/varnish/default.vcl
@@ -175,6 +175,8 @@ sub vcl_deliver {
   unset resp.http.Via;
   unset resp.http.X-Varnish;
   unset resp.http.Server;
+  unset resp.http.Content-disposition;
+
   set resp.http.X-Frame-Options = "SAMEORIGIN";
 
   if (resp.status == 403 || resp.status == 404 || resp.status == 500 || resp.status == 503) {