The West London side have been busy in the January window, targeting the likes of Manchester City's Nedum Onuoha and Chelsea defender Alex, and yesterday clinched the signing of AC Milan's Taye Taiwo.
Fernandes tweeted: "Not sure we can get new players in for wigan. But next week looking more promising. Tremandous hard work for the team. Very proud. Keep positive."
The former Championship side take on Wigan Athletic at Loftus Road tomorrow.