Proctor initially moved to the Coral Windows Stadium on loan from Fleetwood ten days ago but he will now become a full time member of Phil Parkinson's squad until the end of the current 2015/2016 campaign.
On transfer deadline day, City have cancelled Proctor's loan move from Fleetwood, allowing the Club to sign the striker on a contract until the end of the season.
The 23 year-old has played twice for City so far, scoring on his debut at Port Vale towards the end of January.
The permanent transfer of Proctor to City is subject to the relevant clearances from the Football League and The Football Association.