diff --git a/apps/files_sharing/lib/External/Manager.php b/apps/files_sharing/lib/External/Manager.php
index 3b4c2bc8f54e7a54786da9735a7916e44844c4f7..0b87c24c64881178b47025b5647521c3d086ff1a 100644
--- a/apps/files_sharing/lib/External/Manager.php
+++ b/apps/files_sharing/lib/External/Manager.php
@@ -52,7 +52,7 @@ use OCP\Share\IShare;
 class Manager {
 	public const STORAGE = '\OCA\Files_Sharing\External\Storage';
 
-	/** @var string */
+	/** @var string|null */
 	private $uid;
 
 	/** @var IDBConnection */
@@ -98,7 +98,7 @@ class Manager {
 								ICloudFederationFactory $cloudFederationFactory,
 								IGroupManager $groupManager,
 								IUserManager $userManager,
-								string $uid,
+								?string $uid,
 								IEventDispatcher $eventDispatcher) {
 		$this->connection = $connection;
 		$this->mountManager = $mountManager;