diff --git a/lib/gitlab/ldap/group.rb b/lib/gitlab/ldap/group.rb
index 400ee1bf9e..8adf3c7aae 100644
--- a/lib/gitlab/ldap/group.rb
+++ b/lib/gitlab/ldap/group.rb
@@ -37,7 +37,7 @@ module Gitlab
           member_uids.include?(user.uid)
         elsif member_dns.include?(user.dn)
           true
-        else
+        elsif Gitlab.config.ldap.active_directory
           adapter.dn_matches_filter?(user.dn, active_directory_recursive_memberof_filter)
         end
       end