diff --git a/flutter_modular/lib/src/core/interfaces/route_guard.dart b/flutter_modular/lib/src/core/interfaces/route_guard.dart
index 637e9157..0e775166 100644
--- a/flutter_modular/lib/src/core/interfaces/route_guard.dart
+++ b/flutter_modular/lib/src/core/interfaces/route_guard.dart
@@ -4,9 +4,9 @@ import 'modular_route.dart';
 
 // ignore: one_member_abstracts
 abstract class RouteGuard {
-  RouteGuard(this.guardedRoute);
+  RouteGuard([this.guardedRoute]);
 
   final String? guardedRoute;
 
   Future<bool> canActivate(String path, ModularRoute router);
-}
\ No newline at end of file
+}