A patient interface with at least one coupling element for a harness, wherein the coupling element has at least one plane of symmetry S and at least four receiving means, for a harness end of a harness, wherein the receiving means, are arranged in pairs on either side of the plane of symmetry and a harness end can be fastened on one side of the coupling element to the receiving means or alternatively to the receiving means and the receiving means is arranged spatially adjacent to the receiving means and closer to the plane of symmetry than the receiving means, wherein the coupling element is designed in a single piece as part of a forehead support of the patient interface and the plane of symmetry coincides with the longitudinal axis of the forehead support, wherein the coupling element has an imagined plane that is perpendicular to the plane of symmetry and runs parallel to the forehead of a user, wherein a plane is formed by the receiving means and another plane is formed by the receiving means, wherein the planes (50, 60) are at a distance from each other, wherein, in the region of the patient interface, a first plane is defined in the region of the base of the forehead support, a second plane is formed in the region of the harness coupling of the forehead support by the receiving means, and a third plane is formed in the region of the harness coupling of the forehead support by the receiving means, wherein the first plane is at a greater distance from the third plane than from the second plane, wherein the planes are arranged basically parallel to each other and wherein the offset of the first plane from the second plane is 1 cm to 4 cm and the offset of the second plane from the third plane is 3 mm to 23 mm, wherein a forehead support connector forms the base of the forehead support and the forehead support is fastened to the mask body with the forehead support connector, wherein a web connects the forehead support connector to the coupling element for a harness of the forehead support, and wherein, to complete a bayonet closure located in the mask body, the forehead support connector offers a number of closure teeth corresponding in positioning and number to the channels present in the mask body, wherein these closure teeth protrude radially outward on the outer contour of a connection ring and each have another radially outwardly aimed tooth, which together with a latching tooth in the mask body ensure that the mask body and forehead support are locked in the provided position, wherein the inner contour of the forehead support connector is designed as a ball cage that bears the connection piece in a mobile manner, wherein the ball cage is delimited toward the connection piece by a ring structure that narrows toward the outside. wherein a web connects the forehead support connector to the coupling element for a harness of the forehead support, and wherein, to complete a bayonet closure located in the mask body, the forehead support connector offers a number of closure teeth corresponding in positioning and number to the channels present in the mask body, wherein these closure teeth protrude radially outward on the outer contour of a connection ring and each have another radially outwardly aimed tooth, which together with a latching tooth in the mask body ensure that the mask body and forehead support are locked in the provided position, wherein the inner contour of the forehead support connector is designed as a ball cage that bears the connection piece in a mobile manner, wherein the ball cage is delimited toward the connection piece by a ring structure that narrows toward the outside.