diff --git a/lib/cartodb/controllers/named_maps.js b/lib/cartodb/controllers/named_maps.js
index 7e414e19..0e0ce057 100644
--- a/lib/cartodb/controllers/named_maps.js
+++ b/lib/cartodb/controllers/named_maps.js
@@ -63,7 +63,7 @@ NamedMapsController.prototype.tile = function(req, res) {
                 self.surrogateKeysCache.tag(res, new NamedMapsCacheEntry(cdbUser, namedMapProvider.getTemplateName()));
                 res.setHeader('Content-Type', headers['Content-Type']);
                 res.setHeader('Cache-Control', 'public,max-age=7200,must-revalidate');
-                self.app.sendResponse(res, [tile, 200]);
+                self.app.sendWithHeaders(res, tile, 200, headers);
             }
         }
     );