diff --git a/lib/cartodb/controllers/layergroup.js b/lib/cartodb/controllers/layergroup.js
index 2b37dade..452cdfca 100644
--- a/lib/cartodb/controllers/layergroup.js
+++ b/lib/cartodb/controllers/layergroup.js
@@ -82,7 +82,7 @@ LayergroupController.prototype.register = function(app) {
 
     app.get(
         `${basePath}/:token/:layer/:z/:x/:y.(:format)`,
-        validateLayerRoute(),
+        distinguishLayergroupFromStaticRoute(),
         cors(),
         userMiddleware(),
         this.prepareContext,
@@ -241,8 +241,8 @@ LayergroupController.prototype.register = function(app) {
     );
 };
 
-function validateLayerRoute () {
-    return function validateLayerRouteMiddleware(req, res, next) {
+function distinguishLayergroupFromStaticRoute () {
+    return function distinguishLayergroupFromStaticRouteMiddleware(req, res, next) {
         if (req.params.token === 'static') {
             return next('route');
         }