diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac167c259..9dcc0246a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ You can also check [on GitHub](https://github.com/nextcloud/news/releases), the
 ### Changed
 - add explanations for the individual values in the feed information table
 - show error message from `opml` import in web-ui
+- enable PHP 8.4
 
 ### Fixed
 - fix proxy port removed if standard port for the protocol (#3027)
diff --git a/lib/Service/ItemServiceV2.php b/lib/Service/ItemServiceV2.php
index 4f1401c9d..7fbd5e82c 100644
--- a/lib/Service/ItemServiceV2.php
+++ b/lib/Service/ItemServiceV2.php
@@ -144,7 +144,7 @@ public function read(string $userId, int $id, bool $read): Entity
      *
      * @return int|null Amount of deleted items or null if not applicable
      */
-    public function purgeOverThreshold(int $threshold = null, bool $purgeUnread = null): ?int
+    public function purgeOverThreshold(?int $threshold = null, ?bool $purgeUnread = null): ?int
     {
         $threshold = $threshold ?? $this->config->getValueInt(
             Application::NAME,