An autonomous robotic lawnmower (1) is disclosed. The robotic lawnmower (1) comprises a driving unit (3) comprising one or more drive wheels (5)and a cutting unit (7) arranged to cut grass when in a cutting position relative a ground surface (9). Thelawnmower (1) further comprises a folding mechanism (11) allowing the cutting unit (7) to bepivoted relative the driving unit (3) around a pivot axis (ax) from the cutting position to a pivoted position.