A spinning nozzle for an air-jet spinning machine that is used to produce rovings from a fiber bundle, - wherein the spinning nozzle has an inlet opening for entry of the fiber bundle, - wherein the spinning nozzle comprises a vortex chamber, which is at least partially delimited by a vortex chamber wall and, in an installed state of the spinning nozzle, is arranged downstream of the inlet opening in a predetermined transport direction of the fiber bundle, - wherein the spinning nozzle comprises an opening that is spaced apart from the inlet opening in the transport direction and via which a yarn - forming element can be inserted into the vortex chamber, - wherein the spinning nozzle comprises at least one spinning air channel via which air can be introduced into the interior of the vortex chamber, wherein the spinning air channel extends between a spinning air inlet opening and a spinning air outlet opening, and the spinning air inlet opening is situated in the area of an outer side of the spinning nozzle, and the spinning air outlet opening is situated in the area of an inner side of the vortex chamber wall that delimits the vortex chamber, and the spinning air outlet opening opens into the vortex chamber, - wherein the spinning nozzle has at least one piecing air channel via which air can also be introduced into the interior of the vortex chamber, wherein the piecing air channel extends between a piecing air inlet opening and a piecing air outlet opening, and the piecing air inlet opening is situated in the area of the stated outer side of the spinning nozzle, and the spinning air outlet opening is situated in the area of the stated inner side of the vortex chamber wall, and the piecing air outlet opening opens into the vortex chamber, and - wherein the spinning air inlet opening (1 0) and the piecing air inlet opening are spaced apart from one another in said transport direction, characterized in that the piecing air channel, starting from the piecing air inlet opening thereof, extends at least partially counter to the transport direction. - wherein the spinning nozzle has an inlet opening for entry of the fiber bundle, - wherein the spinning nozzle comprises a vortex chamber, which is at least partially delimited by a vortex chamber wall and, in an installed state of the spinning nozzle, is arranged downstream of the inlet opening in a predetermined transport direction of the fiber bundle, - wherein the spinning nozzle comprises an opening that is spaced apart from the inlet opening in the transport direction and via which a yarn - forming element can be inserted into the vortex chamber, - wherein the spinning nozzle comprises at least one spinning air channel via which air can be introduced into the interior of the vortex chamber, wherein the spinning air channel extends between a spinning air inlet opening and a spinning air outlet opening, and the spinning air inlet opening is situated in the area of an outer side of the spinning nozzle, and the spinning air outlet opening is situated in the area of an inner side of the vortex chamber wall that delimits the vortex chamber, and the spinning air outlet opening opens into the vortex chamber, - wherein the spinning nozzle has at least one piecing air channel via which air can also be introduced into the interior of the vortex chamber, wherein the piecing air channel extends between a piecing air inlet opening and a piecing air outlet opening, and the piecing air inlet opening is situated in the area of the stated outer side of the spinning nozzle, and the spinning air outlet opening is situated in the area of the stated inner side of the vortex chamber wall, and the piecing air outlet opening opens into the vortex chamber, and - wherein the spinning nozzle comprises at least one spinning air channel via which air can be introduced into the interior of the vortex chamber, wherein the spinning air channel extends between a spinning air inlet opening and a spinning air outlet opening, and the spinning air inlet opening is situated in the area of an outer side of the spinning nozzle, and the spinning air outlet opening is situated in the area of an inner side of the vortex chamber wall that delimits the vortex chamber, and the spinning air outlet opening opens into the vortex chamber, - wherein the spinning nozzle has at least one piecing air channel via which air can also be introduced into the interior of the vortex chamber, wherein the piecing air channel extends between a piecing air inlet opening and a piecing air outlet opening, and the piecing air inlet opening is situated in the area of the stated outer side of the spinning nozzle, and the spinning air outlet opening is situated in the area of the stated inner side of the vortex chamber wall, and the piecing air outlet opening opens into the vortex chamber, and - wherein the spinning air inlet opening (1 0) and the piecing air inlet opening are spaced apart from one another in said transport direction,