From c9af38ecd0e259e8c35102ea16e1e8436736aef5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Garc=C3=ADa=20Aubert?=
 <danielgarciaaubert@gmail.com>
Date: Fri, 28 Apr 2017 19:21:51 +0200
Subject: [PATCH] Fix issue when 'grid.json' format is not captured properly
 due to a weird behaviour in regex

---
 lib/cartodb/controllers/layergroup.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/cartodb/controllers/layergroup.js b/lib/cartodb/controllers/layergroup.js
index 79268d6e..fb1aab9b 100644
--- a/lib/cartodb/controllers/layergroup.js
+++ b/lib/cartodb/controllers/layergroup.js
@@ -56,7 +56,7 @@ LayergroupController.prototype.register = function(app) {
         this.tile.bind(this));
 
     app.get(app.base_url_mapconfig +
-        '/:token/:z/:x/:y.:format', cors(), userMiddleware,
+        '/:token/:z/:x/:y.(:format)', cors(), userMiddleware,
         this.tile.bind(this));
 
     app.get(app.base_url_mapconfig +