diff --git a/lib/Mount/MountProvider.php b/lib/Mount/MountProvider.php
index 7a664cf7f..44241a620 100644
--- a/lib/Mount/MountProvider.php
+++ b/lib/Mount/MountProvider.php
@@ -294,7 +294,7 @@ public function getTrashMount(
 
 		$storage = $this->getRootFolder()->getStorage();
 
-		$storage->setOwner($user?->getUID());
+		$storage->setOwner($user->getUID());
 
 		$trashPath = $this->getRootFolder()->getInternalPath() . '/trash/' . $id;