GAMEPLAY - Lee sin vs lissandra q bug

While throwing a lee sin q at lissandra and using exhaust simultaneously the hit box for q disappeared. The lissandra I tried to hit and me both noticed the q actually brushing over the player due to the exhaust taking away the hit box or some bug. To be honest I haven't tried to replicate this bug yet, but if I play versus another lissandra or if I play lee sin exhaust again I will try it. This probably isn't a problem since not many lee sins take exhaust. One thing to note is that it might not just be with exhaust on lissandra, but also on exhaust on other players, but it is likely to be just on lissandra maybe due to her mobility spells.