Coleman had been expected to be out of action for up to two months after damaging ankle ligaments in the pre-season clash with Villarreal.
His recovery has been significantly quicker than at first expected and he was thrown into the starting XI against Aston Villa last weekend. He is now looking to keep his place against Wigan this weekend.
He told the Post: "I surprised myself to be honest. I was back training on the Monday and had a really good week. Obviously I was trying to impress the manager, he saw fit to put me in and I was more than happy to play.
"It was very frustrating to get injured when I did. I was really enjoying that match against Villarreal, it was close to half-time and then I got that dirty tackle.
"It was disappointing to miss the first two games of the season, but I was suspended for one of those so only really missed one league game through injury if you want to look at it positively."