diff options
| -rw-r--r-- | apps/dav/lib/CardDAV/SyncService.php | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/apps/dav/lib/CardDAV/SyncService.php b/apps/dav/lib/CardDAV/SyncService.php index f2cee2b5a14..56cbe5255f4 100644 --- a/apps/dav/lib/CardDAV/SyncService.php +++ b/apps/dav/lib/CardDAV/SyncService.php @@ -159,7 +159,7 @@ class SyncService { $dom = new \DOMDocument('1.0', 'UTF-8'); $dom->formatOutput = true; $root = $dom->createElementNS('DAV:', 'd:sync-collection'); - $sync = $dom->createElement('d:sync-token', $syncToken); + $sync = $dom->createElement('d:sync-token', $syncToken ?? ''); $prop = $dom->createElement('d:prop'); $cont = $dom->createElement('d:getcontenttype'); $etag = $dom->createElement('d:getetag'); |