diff --git a/lib/cartodb/models/mapconfig/provider/create-layergroup-provider.js b/lib/cartodb/models/mapconfig/provider/create-layergroup-provider.js
index 23f0c117..32865b37 100644
--- a/lib/cartodb/models/mapconfig/provider/create-layergroup-provider.js
+++ b/lib/cartodb/models/mapconfig/provider/create-layergroup-provider.js
@@ -1,4 +1,4 @@
-var MapStoreMapConfigProvider = require('./map-store-provider');
+const MapStoreMapConfigProvider = require('./map-store-provider');
 const QueryTables = require('cartodb-query-tables');
 
 /**
@@ -34,7 +34,7 @@ CreateLayergroupMapConfigProvider.prototype.getMapConfig = function(callback) {
         return callback(null, this.mapConfig, this.params, this.context);
     }
 
-    var context = {};
+    const context = {};
 
     this.userLimitsBackend.getRenderLimits(this.user, this.params.api_key, (err, renderLimits) => {
         if (err) {