diff --git a/apps/files_sharing/lib/Listener/BeforeZipCreatedListener.php b/apps/files_sharing/lib/Listener/BeforeZipCreatedListener.php
index b6339c34208..e638a088fbe 100644
--- a/apps/files_sharing/lib/Listener/BeforeZipCreatedListener.php
+++ b/apps/files_sharing/lib/Listener/BeforeZipCreatedListener.php
@@ -32,6 +32,7 @@ class BeforeZipCreatedListener implements IEventListener {
 			return;
 		}
 
+		/** @psalm-suppress DeprecatedMethod should be migrated to getFolder but for now it would just duplicate code */
 		$dir = $event->getDirectory();
 		$files = $event->getFiles();
 
diff --git a/lib/public/Files/Events/BeforeZipCreatedEvent.php b/lib/public/Files/Events/BeforeZipCreatedEvent.php
index 34b315cf813..ea84da64a1d 100644
--- a/lib/public/Files/Events/BeforeZipCreatedEvent.php
+++ b/lib/public/Files/Events/BeforeZipCreatedEvent.php
@@ -21,7 +21,7 @@ use OCP\Files\Folder;
  * @since 25.0.0
  */
 class BeforeZipCreatedEvent extends Event {
-	private ?string $directory = null;
+	private string $directory = '';
 	private bool $successful = true;
 	private ?string $errorMessage = null;
 	private ?Folder $folder = null;