diff --git a/engine/src/flutter/examples/address_book/lib/main.dart b/engine/src/flutter/examples/address_book/lib/main.dart
index fb10eccbcc4..dee2b761489 100644
--- a/engine/src/flutter/examples/address_book/lib/main.dart
+++ b/engine/src/flutter/examples/address_book/lib/main.dart
@@ -94,7 +94,7 @@ final ThemeData theme = new ThemeData(
 );
 
 void main() {
-  runApp(new App(
+  runApp(new MaterialApp(
     title: 'Address Book',
     theme: theme,
     routes: <String, RouteBuilder>{