Stroller having a foldable chassis

The present invention relates to a stroller (10) comprising a foldable chassis (11) and a seat unit (12a) connected to the chassis (11), wherein the seat unit (12a) comprises a seat (13) and a foot rest (16) connected to the seat (13) through an articulated joint (15), and wherein the chassis (11) comprises a base (20) provided with wheels, a first bar (25) connected to the base (20) through a first pivot (23) and being provided with a handle (24), and a second bar (26) connecting the base (20) and the first bar (25), so that the first bar (25) is foldable when folding the stroller (10). The first bar (25) is connected to the seat unit (12a), wherein the first bar (25) is foldable forward in the direction of travel while bringing along the seat unit (12a) when folding the stroller (10). The chassis (10) is provided with a stopping surface (32) for engaging a portion of the foot rest (16) when folding the stroller (10), wherein the foot rest (16) engages the stopping surface (32) during folding of the stroller (10) and a free end of the foot rest (16) is forced around the articulated joint (15) while forming an automatic folding of the foot rest (16).