diff --git a/dist/router.js b/dist/router.js
index bf037ad..2eec438 100644
--- a/dist/router.js
+++ b/dist/router.js
@@ -70,7 +70,7 @@ export default class Router {
     }
     use(obj) {
         if (obj instanceof Router) {
-            this.routes = Object.assign(Object.assign({}, this.routes), obj.routes);
+            this.routes = [...this.routes, ...obj.routes];
             this.sortRoutes();
         }
         if (obj instanceof Tpl) {
diff --git a/src/router.ts b/src/router.ts
index 407238a..4eccbeb 100644
--- a/src/router.ts
+++ b/src/router.ts
@@ -95,7 +95,7 @@ export default class Router {
    */
   use(obj: Router | Tpl): void {
     if(obj instanceof Router) {
-      this.routes = { ...this.routes, ...obj.routes };
+      this.routes = [ ...this.routes, ...obj.routes ];
       this.sortRoutes();
     }
     if(obj instanceof Tpl) {