Jody Morris is hopeful of returning to fitness in order to aid Millwall's battle to avoid relegation from The Championship.
The Lions are in a relegation battle and their hopes were not aided when Morris fractured a cheekbone in training last week.
The midfielder underwent surgery to correct the fracture and is looking to return to the fold by the start of April.
"It was a young versus old game, which we do quite regularly, and one of the young lads gave me an elbow," Morris told Soccer AM. "It was an accident.
"I went to hospital and had an operation to put it back in line and it is not too bad now.
"They were going to put a plate in, but it is quite near my eye so they did not want to.
"It is maybe about six weeks, I will have to keep having check-ups and X-rays once a week.
"If I come back a bit early, I may have to wear a mask."
Morris is still confident The Lions can extricate themselves from trouble.
"It has been a tough season on and off the pitch, it has been hard, but we have been a bit unlucky," he added.
"We are going to try and battle on.
"I think we can (get out of trouble), but we need to string a few wins together. It is doable and the lads believe it so we will battle on."