Bug Sivir W: Projectiles dont bounce to other targets

Sivir W is suppossed to hit other near targets. But it doesnt. My premade ADC had the bug and our game was ruined bcs of it. Fortunatly, in the end, we managed to win even with this bug

(Sorry for the Spanish voice comment)

VID (look at the minion wave): https://streamable.com/d3omk