diff --git a/modules/angular2/src/router/route_registry.ts b/modules/angular2/src/router/route_registry.ts
index 7ea7c41daa..c9b1193d5e 100644
--- a/modules/angular2/src/router/route_registry.ts
+++ b/modules/angular2/src/router/route_registry.ts
@@ -434,7 +434,7 @@ export class RouteRegistry {
 
     return new UnresolvedInstruction(() => {
       return componentRecognizer.defaultRoute.handler.resolveComponentType().then(
-          () => this.generateDefault(componentCursor));
+          (_) => this.generateDefault(componentCursor));
     });
   }
 }