Fix header parsing bug.
Fix header parsing bug.

plucury/hyper,Lukasa/hyper,fredthomsen/hyper,Lukasa/hyper,lawnmowerlatte/hyper,plucury/hyper,fredthomsen/hyper,masaori335/hyper,irvind/hyper,masaori335/hyper,lawnmowerlatte/hyper,jdecuyper/hyper,irvind/hyper,jdecuyper/hyper