diff --git a/webf/example/macos/Runner/AppDelegate.swift b/webf/example/macos/Runner/AppDelegate.swift
index d53ef64377..8e02df2888 100644
--- a/webf/example/macos/Runner/AppDelegate.swift
+++ b/webf/example/macos/Runner/AppDelegate.swift
@@ -1,7 +1,7 @@
 import Cocoa
 import FlutterMacOS
 
-@NSApplicationMain
+@main
 class AppDelegate: FlutterAppDelegate {
   override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
     return true
diff --git a/webf/lib/src/launcher/controller.dart b/webf/lib/src/launcher/controller.dart
index 3824e91f3e..1ec78c502f 100644
--- a/webf/lib/src/launcher/controller.dart
+++ b/webf/lib/src/launcher/controller.dart
@@ -852,6 +852,9 @@ class WebFViewController implements WidgetsBindingObserver {
   @override
   void handleUpdateBackGestureProgress(backEvent) {
   }
+
+  @override
+  void didChangeViewFocus(event) {}
 }
 
 // An controller designed to control kraken's functional modules.