Celtic manager Ange Postecoglou has pointed to his side's attacking prowess from set pieces - but vowed they will work on their issues at the other end.
The Premiership leaders were largely comfortable in a 3-1 win away to Livingston, but were given a few scares on set pieces.
The goal Celtic conceded came on a throw-in which wasn't defended properly, and Ayo Obileye went close on a corner in the first half.
