Fix incorrect is not 0
Fix incorrect is not 0

Also, nested if statements is ugly and pointless.

yuxiang-zhou/menpo,grigorisg9gr/menpo,patricksnape/menpo,patricksnape/menpo,menpo/menpo,yuxiang-zhou/menpo,menpo/menpo,yuxiang-zhou/menpo,grigorisg9gr/menpo,grigorisg9gr/menpo,patricksnape/menpo,menpo/menpo