Spell shield bug (Mildly gamebreaking?)

I will upload footage soon.

Nocturns spellshield does NOT block Aatrox Q. you get the attack speed buff for blocking a spell, but you (noc) still get knocked up. reproducible. It simply does NOT block the spell.

(Update) Its all spell shields. Aatrox Q will Penatrate a spellshiled and complete the knockup. When performed on sivir, she even played the voice line for blocking a spell, but gets knocked up.

(Update 2) Morgana Blackshield works correctly. This seems to be Atrox related. The spellshields (Nocturn, and Sivir) block other spells and knockups, just not Aatrox Q.