Zed Shadow Showing Attack Arrow even After Disappearing

Hi Riot,

I just played an ARAM game where I had Zed, I noticed that his Q Shuriken (from the very start) would still show the arrow path even after the shadow had long since disappeared. This reset every time I threw out a different shadow. I had a pair of boots, sanguine blade, ravenous hydra and black cleaver built by the end.