diff --git a/lib/hooks.php b/lib/hooks.php
index 924de82..99edc84 100644
--- a/lib/hooks.php
+++ b/lib/hooks.php
@@ -70,7 +70,7 @@ static public function post_login($parameters) {
 						return false;
 					}
 					else {
-						$random_password = OC_Util::generateRandomBytes(20);
+						$random_password = \OCP\Util::generateRandomBytes(20);
 						\OCP\Util::writeLog('cas','Creating new user: '.$uid, \OCP\Util::DEBUG);
 						$userDatabase->createUser($uid, $random_password);
 
diff --git a/lib/ldap_backend_adapter.php b/lib/ldap_backend_adapter.php
index 80646fb..9c720a3 100644
--- a/lib/ldap_backend_adapter.php
+++ b/lib/ldap_backend_adapter.php
@@ -59,7 +59,8 @@ private function connect() {
 				new \OCA\user_ldap\lib\LogWrapper(),
 				\OC::$server->getAvatarManager(),
 				new \OCP\Image(),
-				$dbc
+				$dbc,
+				\OC::$server->getUserManager()
 			);
 			$this->connection = new \OCA\user_ldap\lib\Connection($this->ldap,$configPrefixes[0]);