diff --git a/lib/private/user.php b/lib/private/user.php
index e0d6b9f3f5..98ebebbe5c 100644
--- a/lib/private/user.php
+++ b/lib/private/user.php
@@ -246,6 +246,8 @@ class OC_User {
 			session_regenerate_id(true);
 			self::setUserId($uid);
 			self::setDisplayName($uid);
+			self::getUserSession()->setLoginName($uid);
+
 			OC_Hook::emit( "OC_User", "post_login", array( "uid" => $uid, 'password'=>'' ));
 			return true;
 		}