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-rw-r--r--apps/dav/lib/carddav/addressbookimpl.php3
1 files changed, 2 insertions, 1 deletions
diff --git a/apps/dav/lib/carddav/addressbookimpl.php b/apps/dav/lib/carddav/addressbookimpl.php
index 240e40c9688..734e68f207c 100644
--- a/apps/dav/lib/carddav/addressbookimpl.php
+++ b/apps/dav/lib/carddav/addressbookimpl.php
@@ -178,7 +178,8 @@ class AddressBookImpl implements IAddressBook {
protected function createUid() {
do {
$uid = $this->getUid();
- } while (!empty($this->backend->getContact($uid . '.vcf')));
+ $contact = $this->backend->getContact($uid . '.vcf');
+ } while (!empty($contact));
return $uid;
}