Aatrox game ruining Q bug.

This bug has occurred many times in my games leading me to believe that it was due to a recent patch. Aatrox when using his dash targeted by a wall (not over a wall) will cause the animation to completely cancel. This means not only do you miss out on the damage and knock-up this spell provides but also the dash portion entirely.

Uploaded a picture of a fight that if I connected properly perhaps I wouldve won. Frustrated.

As depicted in the picture in about .1 seconds later I will be suspended in midair while slowly descending towards the ground (in the exact location I becan the cast) becoming a sitting duck and consequently losing the fight and game shortly thereafter.