diff --git a/lib/navigation/src/ui/sint_root.dart b/lib/navigation/src/ui/sint_root.dart
index 0b0a4237..5c88f8e6 100644
--- a/lib/navigation/src/ui/sint_root.dart
+++ b/lib/navigation/src/ui/sint_root.dart
@@ -1,3 +1,4 @@
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';