diff --git a/apps/user_ldap/user_ldap.php b/apps/user_ldap/user_ldap.php
index 54fc51fe0cd0ffb80d8e8e3cdbbec2483f445a51..2d94ef828ab022e74d474e3cd54c6e174838836c 100644
--- a/apps/user_ldap/user_ldap.php
+++ b/apps/user_ldap/user_ldap.php
@@ -63,6 +63,9 @@ class OC_USER_LDAP extends OC_User_Backend {
 	private function getDs() {
 		if(!$this->ds) {
 			$this->ds = ldap_connect( $this->ldap_host, $this->ldap_port );
+			   if(ldap_set_option($this->ds, LDAP_OPT_PROTOCOL_VERSION, 3))
+				 if(ldap_set_option($this->ds, LDAP_OPT_REFERRALS, 0))
+					  ldap_start_tls($this->ds);
 		}
 
 		// login