diff --git a/apps/dav/lib/CardDAV/AddressBookImpl.php b/apps/dav/lib/CardDAV/AddressBookImpl.php
index ae727b8544f98..351e064595b0d 100644
--- a/apps/dav/lib/CardDAV/AddressBookImpl.php
+++ b/apps/dav/lib/CardDAV/AddressBookImpl.php
@@ -269,7 +269,7 @@ protected function vCard2Array($uri, VCard $vCard, $withTypes = false) {
 				}
 
 			// The following properties can be set multiple times
-			} else if (in_array($property->name, ['CLOUD', 'EMAIL', 'IMPP', 'TEL', 'URL'])) {
+			} else if (in_array($property->name, ['CLOUD', 'EMAIL', 'IMPP', 'TEL', 'URL', 'X-ADDRESSBOOKSERVER-MEMBER'])) {
 				if (!isset($result[$property->name])) {
 					$result[$property->name] = [];
 				}