Fiddlestick's ult should have a cooldown resetting mechanism if interrupted

Currently Fiddle's ult has the longest cd in the game (~2 min) and it can be interrupted very easily. Once interrupted, it takes another 2 min if he wants to ult again. This is very frustrating, especially in late game when 2 min is enough for you to lose. Many champion's ults have resetting on cd if interrupted or cancelled, why can't Fiddle benefit from this? I really hope you add this feature as soon as possible. Until then I won't be playing Fiddle anymore.