Kha'zix/Lux ulti bug report

If i could link a video i would, but i've tried this, and it's 100% repeatable. If you use Lux's ultimate while kha'zix is stealthed it completely negates lux's ulti. It will not hit him. Please help bumb this, so i don't have to loose any more games/kills to this :) EDIT: LINK
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