diff --git a/lib/src/controller/information_provider.dart b/lib/src/controller/information_provider.dart
index ba8fe91..d640cd6 100644
--- a/lib/src/controller/information_provider.dart
+++ b/lib/src/controller/information_provider.dart
@@ -2,7 +2,7 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 import 'package:meta/meta.dart';
-import 'package:octopus/src/state/jenkins_hash.dart';
+import 'package:octopus/src/util/jenkins_hash.dart';
 
 /// The route information provider that propagates
 /// the platform route information changes.
diff --git a/lib/src/state/state.dart b/lib/src/state/state.dart
index a151792..0524d3a 100644
--- a/lib/src/state/state.dart
+++ b/lib/src/state/state.dart
@@ -6,8 +6,8 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart' show MaterialPage;
 import 'package:flutter/widgets.dart';
 import 'package:meta/meta.dart';
-import 'package:octopus/src/state/jenkins_hash.dart';
 import 'package:octopus/src/state/name_regexp.dart';
+import 'package:octopus/src/util/jenkins_hash.dart';
 import 'package:octopus/src/util/state_util.dart';
 import 'package:octopus/src/widget/dialog_page.dart';
 import 'package:octopus/src/widget/no_animation.dart';
diff --git a/lib/src/util/jenkins_hash.dart b/lib/src/util/jenkins_hash.dart
index fe8de86..8feae02 100644
--- a/lib/src/util/jenkins_hash.dart
+++ b/lib/src/util/jenkins_hash.dart
@@ -21,8 +21,9 @@ int jenkinsHashAll(Iterable<Object?>? objects) {
   if (objects == null) return _jenkinsFinish(0);
   var hash = 0;
   for (final object in objects) {
-    hash = _jenkinsCombine(hash, object);
+    hash ^= _jenkinsCombine(hash, object);
   }
+  hash ^= objects.length;
   return _jenkinsFinish(hash);
 }
 
diff --git a/test/src/hash_test.dart b/test/src/hash_test.dart
index 1d6a3a8..55e6e5f 100644
--- a/test/src/hash_test.dart
+++ b/test/src/hash_test.dart
@@ -1,6 +1,6 @@
 import 'package:flutter_test/flutter_test.dart';
 import 'package:octopus/octopus.dart';
-import 'package:octopus/src/state/jenkins_hash.dart';
+import 'package:octopus/src/util/jenkins_hash.dart';
 
 void main() => group('hash', () {
       test('list_equals', () {