The defender suffered the strain in Saturday's 2-2 draw with Burton Albion, but Laws has claimed that the 25-year-old should return to action in two weeks.
Laws told the club's official website: "Eddie was getting scanned on Tuesday. His movement is excellent and since the weekend he is almost free of pain - which is a good sign.
"So I will keep my fingers crossed that we do not see anything too drastic. He could be out for a couple of weeks maximum and if that is the case then I would be more than happy with that."
Nolan has three Republic of Ireland caps to his name.