The Canada international kept his cool to slot home a penalty at the Academy and get off the mark in Premier League 2 – after he'd scored in style during a friendly victory against Salford City earlier in the month.
"It was good for me to get a goal and I was very pleased to get one," Millar told Liverpoolfc.com.
"It has been frustrating because I've hit the bar, hit the post, but hopefully now I can get some more goals. I was so happy to finally get my first goal of the season and I feel like I can really start to get going now.