Danny Seaborne will remain on loan with Charlton Athletic on week-by-week basis.
The 25-year old defender joined the Addicks from Southampton on an initial one-month deal in November but will now remain at The Valley with manager Chris Powell to decide weekly on Seaborne's presence in Southeast London.
The former Exeter City man has made four appearances for the Championship club and has yet to taste defeat, being involved in three wins and one draw.