diff --git a/src/ldap.js b/src/ldap.js
index e6e51a6d0..cfaafdc71 100644
--- a/src/ldap.js
+++ b/src/ldap.js
@@ -170,7 +170,7 @@ async function userSearch(req, res, next) {
         const obj = {
             dn: dn.toString(),
             attributes: {
-                objectclass: ['user', 'inetorgperson', 'person' ],
+                objectclass: ['user', 'inetorgperson', 'person', 'organizationalperson', 'top' ],
                 objectcategory: 'person',
                 cn: user.id,
                 uid: user.id,