I guess it depends on what quests you've done beside that one.
Go see the quest screen in the office (the monitor beside the bed): if there are still uncompleted quests, you are not doing something thst you should, otherwise the game hasnt been developed yet over that point. I finished the quest of the faun Sphinx in chapter 1 part 2, but there already is a part of chapter 1 part 3, so...