Danny Wilson has revealed that Dave Kitson looks set to be sidelined for the 'next two to three weeks' with a slight hamstring tear.
The in-form marksman missed Monday's hard fought 1-0 win over his former employers, Portsmouth, and was replaced by Chris Porter, who earned praise from the Gaffer.
On the injury to Kitson and the performance of his replacement Wilson commented: "Dave damaged his hamstring right at the end of Monday's training session.
"He looks like being sidelined for next two to three weeks. It was a real blow because Dave would have loved to have played against Pompey, but credit to Chris. He was terrific again against two tough centre halves and showed people what he is capable of."
Neill Collins returned to the side at centre-half against Pompey, Matt Hill reverted to left-back and Marcus Williams was deployed on the left of a four man midfield to negate the visitors threat down the flank.
On the tactical decision that saw David McAllister drop to the bench, Wilson added: "Marcus did really well; we knew Portsmouth had a lot of pace and trickery down their right.
"He stuck to his task well and we needed his pace and energy to rebuff their advances.
"We have a fantastic group of players here who will only get better as the season progresses. The fans will always back the lads when they can see we have a real determination and will to win."