diff --git a/src/js/Router.js b/src/js/Router.js
index 9dd80111..2f99e399 100644
--- a/src/js/Router.js
+++ b/src/js/Router.js
@@ -203,7 +203,7 @@ export default class Router extends String {
      * @return {Boolean}
      */
     has(name) {
-        return Object.keys(this._config.routes).includes(name);
+        return this._config.routes.hasOwnProperty(name);
     }
 
     /**