diff --git a/CHANGELOG.md b/CHANGELOG.md
index f4f2840fd5..5ffc6f08b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,8 @@
 HumHub Changelog
 ================
 
-1.6.4 (Unreleased)
-------------------
+1.6.4 (October 9, 2020)
+-----------------------
 
 This release also brings a [security update](https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mj) of the Yii2 framework. HumHub itself and the modules provided by our offical marketplace are not affected by this bug.
 
@@ -13,6 +13,7 @@ This release also brings a [security update](https://github.com/yiisoft/yii2/sec
 - Fix #4384: Upgrade to Yii 2.0.38
 - Fix #4403: Space Picker Double HTML Encode
 - Fix #4385: Tour broken when profile start page is changed
+- Fix #4430: Invalid notifications breaks notification overview
 
 
 1.6.3 (September 9, 2020)
diff --git a/protected/humhub/modules/notification/widgets/views/notificationOverviewList.php b/protected/humhub/modules/notification/widgets/views/notificationOverviewList.php
index fb9452b0b9..45b9a78593 100644
--- a/protected/humhub/modules/notification/widgets/views/notificationOverviewList.php
+++ b/protected/humhub/modules/notification/widgets/views/notificationOverviewList.php
@@ -7,7 +7,11 @@ use yii\helpers\Html;
 <?= Html::beginTag('div', $options) ?>
     <?= Html::beginTag('ul', ['class' => 'media-list']) ?>
         <?php foreach ($notifications as $notification) : ?>
-            <?= $notification->render(); ?>
+            <?php try  { ?>
+                <?= $notification->render() ?>
+            <?php } catch(\Throwable $t) {
+                Yii::warning($t, 'notification');
+            }?>
         <?php endforeach; ?>
         <?php if (empty($notifications)) : ?>
             <?= Yii::t('NotificationModule.base', 'No notifications found!'); ?>