diff --git a/lib/Listener.php b/lib/Listener.php
index a5526ae..97b13ee 100644
--- a/lib/Listener.php
+++ b/lib/Listener.php
@@ -22,6 +22,7 @@
 use OCP\Notification\IDismissableNotifier;
 use OCP\Notification\INotification;
 use OCP\Notification\INotifier;
+use OCP\Notification\UnknownNotificationException;
 use OCP\Share\Events\ShareCreatedEvent;
 use OCP\Share\IShare;
 
@@ -102,7 +103,7 @@ public function getName(): string {
 	}
 
 	public function prepare(INotification $notification, string $languageCode): INotification {
-		throw new \InvalidArgumentException();
+		throw new UnknownNotificationException();
 	}
 
 	public function dismissNotification(INotification $notification): void {