diff --git a/lib/BackgroundJob/BackgroundScanner.php b/lib/BackgroundJob/BackgroundScanner.php
index 4490bcd3..f02c8be3 100644
--- a/lib/BackgroundJob/BackgroundScanner.php
+++ b/lib/BackgroundJob/BackgroundScanner.php
@@ -214,6 +214,7 @@ public function getUnscannedFiles() {
 				$query->expr()->like('path', $query->createNamedParameter('files/%')),
 				$query->expr()->notLike('s.id', $query->createNamedParameter('home::%'))
 			))
+			->andWhere($query->expr()->notLike('fc.path', $query->createNamedParameter('appdata_%')))
 			->andWhere($this->getSizeLimitExpression($query))
 			->setMaxResults($this->getBatchSize() * 10);