diff --git a/lib/gitlab/ldap/group.rb b/lib/gitlab/ldap/group.rb
index 7f0c7c63c3..712e08eed8 100644
--- a/lib/gitlab/ldap/group.rb
+++ b/lib/gitlab/ldap/group.rb
@@ -42,6 +42,8 @@ module Gitlab
           member_uids.any? { |member_uid| member_uid.downcase == user_uid }
         elsif member_dns.any? { |member_dn| member_dn.downcase == user_dn }
           true
+        elsif member_dns.any? { |member_dn| member_dn.downcase == "uid=" + user_uid }
+          true
         elsif adapter.config.active_directory
           adapter.dn_matches_filter?(user.dn, active_directory_recursive_memberof_filter)
         end