diff --git a/lib/private/Files/Cache/Storage.php b/lib/private/Files/Cache/Storage.php
index e7a32d0d34d6e..c9dfb144dc5ae 100644
--- a/lib/private/Files/Cache/Storage.php
+++ b/lib/private/Files/Cache/Storage.php
@@ -213,6 +213,7 @@ public static function cleanByMountId(int $mountId) {
 			$query = $db->getQueryBuilder();
 			$query->delete('filecache')
 				->where($query->expr()->in('storage', $query->createNamedParameter($storageIds, IQueryBuilder::PARAM_INT_ARRAY)));
+			$query->runAcrossAllShards();
 			$query->executeStatement();
 
 			$query = $db->getQueryBuilder();