diff --git a/lib/private/FilesMetadata/FilesMetadataManager.php b/lib/private/FilesMetadata/FilesMetadataManager.php
index 231fb2ec98f56..5c1acb77ea7b0 100644
--- a/lib/private/FilesMetadata/FilesMetadataManager.php
+++ b/lib/private/FilesMetadata/FilesMetadataManager.php
@@ -104,7 +104,7 @@ public function refreshMetadata(
 				return $this->refreshMetadata($node, self::PROCESS_BACKGROUND);
 			}
 
-			$this->jobList->add(UpdateSingleMetadata::class, [$node->getOwner()->getUID(), $node->getId()]);
+			$this->jobList->add(UpdateSingleMetadata::class, [$node->getOwner()?->getUID(), $node->getId()]);
 		}
 
 		return $metadata;