diff --git a/lib/private/Share20/DefaultShareProvider.php b/lib/private/Share20/DefaultShareProvider.php
index a2388012fe..59aefd54cd 100644
--- a/lib/private/Share20/DefaultShareProvider.php
+++ b/lib/private/Share20/DefaultShareProvider.php
@@ -272,6 +272,7 @@ class DefaultShareProvider implements IShareProvider {
 			$qb = $this->dbConn->getQueryBuilder();
 			$qb->update('share')
 				->where($qb->expr()->eq('parent', $qb->createNamedParameter($share->getId())))
+				->andWhere($qb->expr()->eq('share_type', $qb->createNamedParameter(self::SHARE_TYPE_USERGROUP)))
 				->set('uid_owner', $qb->createNamedParameter($share->getShareOwner()))
 				->set('uid_initiator', $qb->createNamedParameter($share->getSharedBy()))
 				->set('item_source', $qb->createNamedParameter($share->getNode()->getId()))