diff --git a/lib/main.dart b/lib/main.dart
index 6335998..f6821af 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:hero_animation_unmasked/pages/hero_details_page.dart';
 import 'package:hero_animation_unmasked/pages/hero_list_page.dart';
+import 'package:hero_animation_unmasked/packages/unmasked_hero/unmasked_hero_controller.dart';
 
 void main() {
   runApp(MyApp());
@@ -11,6 +12,7 @@ class MyApp extends StatelessWidget {
   Widget build(BuildContext context) {
     return MaterialApp(
       initialRoute: 'hero_list_page',
+      navigatorObservers: [UnmaskedHeroController()],
       routes: {
         'hero_list_page': (context) => HeroListPage(),
         'hero_details_page': (context) => HeroDetailsPage(),
diff --git a/lib/packages/unmasked_hero/unmasked_hero_controller.dart b/lib/packages/unmasked_hero/unmasked_hero_controller.dart
new file mode 100644
index 0000000..2ac1c4e
--- /dev/null
+++ b/lib/packages/unmasked_hero/unmasked_hero_controller.dart
@@ -0,0 +1,9 @@
+import 'package:flutter/widgets.dart';
+
+class UnmaskedHeroController extends NavigatorObserver {
+  @override
+  void didPush(Route<dynamic> route, Route<dynamic>? previousRoute) {
+    print('Navigating from $previousRoute to $route');
+    super.didPush(route, previousRoute);
+  }
+}