[Bug] Achievements given on every join?

I am experiencing the same issue as this thread did, only half a year later : http://www.spigotmc.org/threads/bug-achievements-given-on-every-join.22806/

The bug is still present and AFAIK there doesn't seem to be a fix.
Bungeecord version: #1055
Spigot version: Spigot-1627 (MC: 1.7.10) (Implementing API version 1.7.10-R0.1-SNAPSHOT)


Kindly Regards,
~Foorack