Ski boot comprising a shaft portion and a sole portion, a coupling element being fastened to the sole portion in a heel region of the sole portion, the coupling element comprising: fastening means (18l, 18r, 20) for fastening the coupling element to the heel region of the ski boot, two contact portions (30l, 30r) arranged on either side of a vertical boot centre plane extending in the longitudinal direction of the boot, which contact portions are configured so that pins (31l, 31 r) projecting forwards from an automatic heel mechanism of a ski binding bear in a downhill position of the ski binding on the contact portions (30l, 30r), and so that the pins (31l, 31 r) slide off the contact portions (30l, 30r) in the event of a fall release of the ski binding once a release force acting on the ski boot has been overcome, the fastening means (18l, 18r, 20) comprising a central fastening point, which is arranged between the two contact portions (30l, 30r), and the coupling element having a central portion on which the central fastening point is arranged, the fastening means (18l, 18r, 20) further comprising two outer fastening points (18l, 18r), which are arranged laterally outside the contact portions (30l, 30r) with regard to the boot centre plane, the coupling element having two arm portions (26l, 26r) extending laterally outwards with regard to the boot centre plane, which arm portions each extend towards the outer fastening points (18l, 18r), the arm portions (26l, 26r) extending out from the central portion substantially in mutually opposing directions, and the arm portions (26l, 26r) extending outwards in the manner of wings above the contact portions (30l, 30r), characterised in that the fastening means have a through-opening or a peg projecting towards the boot on at least one of the two outer fastening points (18l, 18r). fastening means (18l, 18r, 20) for fastening the coupling element to the heel region of the ski boot, two contact portions (30l, 30r) arranged on either side of a vertical boot centre plane extending in the longitudinal direction of the boot, which contact portions are configured so that pins (31l, 31 r) projecting forwards from an automatic heel mechanism of a ski binding bear in a downhill position of the ski binding on the contact portions (30l, 30r), and so that the pins (31l, 31 r) slide off the contact portions (30l, 30r) in the event of a fall release of the ski binding once a release force acting on the ski boot has been overcome, the fastening means (18l, 18r, 20) comprising a central fastening point, which is arranged between the two contact portions (30l, 30r), and the coupling element having a central portion on which the central fastening point is arranged, the fastening means (18l, 18r, 20) further comprising two outer fastening points (18l, 18r), which are arranged laterally outside the contact portions (30l, 30r) with regard to the boot centre plane, the coupling element having two arm portions (26l, 26r) extending laterally outwards with regard to the boot centre plane, which arm portions each extend towards the outer fastening points (18l, 18r), the arm portions (26l, 26r) extending out from the central portion substantially in mutually opposing directions, and the arm portions (26l, 26r) extending outwards in the manner of wings above the contact portions (30l, 30r), characterised in that the fastening means have a through-opening or a peg projecting towards the boot on at least one of the two outer fastening points (18l, 18r).