But Colback told the club's official website: "Steve Bruce has said I will benefit more from staying here than going back to Sunderland and that is fine by me.
"I would only have been cover there and would have offered a short-term solution but I am in the team here.
"I've felt that from the start and I want to see out the season here and help Ipswich finish as high up the table as possible."
Source: Team Talk