diff --git a/src/externalldap.js b/src/externalldap.js
index b6e451e35..289bc66b6 100644
--- a/src/externalldap.js
+++ b/src/externalldap.js
@@ -518,7 +518,7 @@ function syncGroupUsers(externalLdapConfig, progressCallback, callback) {
                     return callback();
                 }
 
-                var ldapGroupMembers = found.member || [];
+                var ldapGroupMembers = found.member || found.uniqueMember || [];
 
                 debug(`Group ${group.name} has ${ldapGroupMembers.length} members.`);