diff --git a/LibTest/async/Stream/handleError_A06_t01.test.dart b/LibTest/async/Stream/handleError_A06_t01.test.dart
index 9cf22b9..cb99ca8 100644
--- a/LibTest/async/Stream/handleError_A06_t01.test.dart
+++ b/LibTest/async/Stream/handleError_A06_t01.test.dart
@@ -12,7 +12,7 @@
 import "dart:async";
 import "../../../Utils/expect.dart";
 
-void check<T>(Stream<T> stream, Function? onError(T event), bool test(error)) {
+void check<T>(Stream<T> stream, Function? onError(dynamic event), bool test(error)) {
   Expect.equals(stream.isBroadcast, stream.handleError(onError).isBroadcast);
   Expect.equals(stream.isBroadcast, stream.handleError(onError, test:test).isBroadcast);
 }