"I got a call telling me it was in the newspaper but I don't know anything about it," he told BBC Sport.
"I've been in and around the first team this season so it's not like I'm out of the picture and hopefully I can do enough to win a more permanent role.
"My aim is to help Charlton push up the table and hopefully, whenever I get a chance, I can do enough to make the manager sit up and take notice."