diff --git a/src/ldap.js b/src/ldap.js
index f417bdc22..d4b5cf2f3 100644
--- a/src/ldap.js
+++ b/src/ldap.js
@@ -172,7 +172,7 @@ async function userSearch(req, res, next) {
             attributes: {
                 objectclass: ['user', 'inetorgperson', 'person', 'organizationalperson', 'top' ],
                 objectcategory: 'person',
-                cn: displayName,
+                cn: user.id,
                 uid: user.id,
                 entryuuid: user.id, // to support OpenLDAP clients
                 mail: user.email,