Doncaster scored in the last minute of a hard-fought match when Harry Forrester attempted to return the ball from a throw-in to visiting goalkeeper Chris Walton, who had thrown it out following an injury.
But from Forrester’s ‘pass back’ the ball bounced over Walton’s head into the net to the embarrassment of the home striker and the Doncaster management team.
Rovers manager Dickov then ordered his players to allow Bury to score from the restart and Leon Clarke ambled half the length of the pitch unchallenged to tap home.
It was an extraordinary ending to a closely-contested match in which Bury created the better chances and were unlucky when Clarke hit the woodwork three times.
Clarke also missed a number of opportunities to score, while Rovers went close through Forrester before having a stonewall case for a penalty denied seven minutes from time when Nathan Tyson was blatantly brought down by Peter Clarke in the box.