Heimerdinger's mini turrets will not attack inhibitor sometimes.

In the new Summoner's Rift, Heimerdinger's Q will not attack inhibitor after they finish nearby minions. All works fine in 3v3 (Twisted Treeline).

If you put your Q when there are NO minions around, the turrets WILL attack inhibitor. But when minion comes, or you put your Q when there ARE minions around, the turrets will attack minions first (normal), but WILL IDLE when they finish minions.