diff --git a/lib/private/Preview/Watcher.php b/lib/private/Preview/Watcher.php
index 342ec20adf51a..26a0d50bba05e 100644
--- a/lib/private/Preview/Watcher.php
+++ b/lib/private/Preview/Watcher.php
@@ -50,6 +50,10 @@ protected function deleteNode(FileInfo $node): void {
 		}
 
 		[$node->getId() => $previews] = $this->previewMapper->getAvailablePreviews([$nodeId]);
+		if ($previews === []) {
+			return;
+		}
+
 		$this->connection->beginTransaction();
 		try {
 			foreach ($previews as $preview) {