On the 20th, Bonaparte brought Masséna's division forward while the other troops rested. To the northeast, Beaulieu still hesitated to mount a major effort to help his ally. On the night of 20 April, Colli withdrew his army from the Corsaglia position, intending to fall back behind the Ellero River at Mondovì. After destroying the bridges and leaving their campfires burning, Colli's soldiers slipped away during the evening. At midnight, Bonaparte discovered that his enemy had decamped and mounted a rapid pursuit, using a ford discovered by some scouts.