diff --git a/apps/user_ldap/group_ldap.php b/apps/user_ldap/group_ldap.php
index af41bf65323dba4b1302a367b2e53628e1175383..1a35691be85fe3b812607c878cb8c2f2e5efd4e3 100644
--- a/apps/user_ldap/group_ldap.php
+++ b/apps/user_ldap/group_ldap.php
@@ -469,8 +469,7 @@ class GROUP_LDAP extends BackendUtility implements \OCP\GroupInterface {
 		}
 
 		//if group really still exists, we will be able to read its objectclass
-		$objcs = $this->access->readAttribute($dn, '');
-		if(!$objcs || empty($objcs)) {
+		if(!is_array($this->access->readAttribute($dn, ''))) {
 			$this->access->connection->writeToCache('groupExists'.$gid, false);
 			return false;
 		}