Officers are growing increasingly concerned for the welfare of missing John Ferris.
The 54-year-old, of Beeston, was last seen on 8 February 2017.
John is described as a white, 5ft 10ins-tall, of thin build, with a shaven head with stubble.
He normally wears a "Regatta" style outdoor jacket in grey or blue and denim jeans. He may have a pedal cycle with him.
Anyone who has information on his whereabouts is urged to call Nottinghamshire Police on 101, quoting incident number 330 of 22 February 2017.