diff --git a/engine/src/flutter/examples/mine_digger/lib/main.dart b/engine/src/flutter/examples/mine_digger/lib/main.dart
index 103ed854328..c8aa3ce91f8 100644
--- a/engine/src/flutter/examples/mine_digger/lib/main.dart
+++ b/engine/src/flutter/examples/mine_digger/lib/main.dart
@@ -113,7 +113,7 @@ class MineDiggerApp extends App {
                 probe(ix, iy);
             },
             onLongPress: () {
-              userFeedback.performHapticFeedback(HapticFeedbackType_LONG_PRESS);
+              userFeedback.performHapticFeedback(HapticFeedbackType.LONG_PRESS);
               flag(ix, iy);
             },
             child: new Listener(