As of v1.0.7, In early 2013 Blizzard is announced that they would not going to fix be fixing this issue bug on older existing items, and that while they would fix it someday, there were no immediate plans to do so. Black weaponswere not changed in v1.07, though they do plan to fix the bug was removed from occurring on items that will be created the bonus provided by socketing rubies in the futureweapons.[http://diablo.incgamers.com/blog/comments/diablo-3-bugs-big-buffs-and-fixes-to-rubies]