A spinning station of an air spinning machine that is used for manufacturing a yarn from a fiber assembly, • wherein the spinning station has at least one spinning nozzle with an interior vortex chamber, • wherein the spinning nozzle has air nozzles which are directed into the vortex chamber and which open into the vortex chamber in the area of a vortex chamber wall that surrounds the vortex chamber, • wherein the spinning nozzle has a yarn forming element, with an inlet port, extending at least partially into the vortex chamber, and a draw-off channel, adjoining in the transport direction, for the yarn, • wherein the spinning nozzle has a fiber guiding element with an inlet opening for the fiber assembly that enters the vortex chamber in a transport direction during operation of the air spinning machine, • wherein the fiber guiding element has a base body with an outer surface that is used for support against a backing surface of the spinning nozzle in order to allow fixing of the fiber guiding element in the area of the inlet opening of the spinning nozzle, • wherein a fiber guiding channel having an inner surface for guiding the fiber assembly that enters the inlet opening is present in the fiber guiding element, between the inlet opening and the vortex chamber, and • wherein the inner surface includes multiple, preferably radially inwardly directed, protrusions in a cross section of the fiber guiding element extending perpendicularly with respect to a center axis of the fiber guiding element, wherein at least a portion of the protrusions, at least in a front area facing the center axis, have an inwardly tapering contour, characterized in that the fiber guiding element, at least in the area of one of its end-face sides extending through the center axis, has an outwardly tapering outer diameter, wherein the corresponding end-face side in a longitudinal section of the fiber guiding element extending parallel to the center axis preferably has a truncated cone design, wherein the circumferential surface of the truncated cone in the stated longitudinal section has at least one outer contour that extends at least partially linearly, partially convexly, and/or partially concavely. • wherein the spinning station has at least one spinning nozzle with an interior vortex chamber, • wherein the spinning nozzle has air nozzles which are directed into the vortex chamber and which open into the vortex chamber in the area of a vortex chamber wall that surrounds the vortex chamber, • wherein the spinning nozzle has a yarn forming element, with an inlet port, extending at least partially into the vortex chamber, and a draw-off channel, adjoining in the transport direction, for the yarn, • wherein the spinning nozzle has a fiber guiding element with an inlet opening for the fiber assembly that enters the vortex chamber in a transport direction during operation of the air spinning machine, • wherein the fiber guiding element has a base body with an outer surface that is used for support against a backing surface of the spinning nozzle in order to allow fixing of the fiber guiding element in the area of the inlet opening of the spinning nozzle, • wherein a fiber guiding channel having an inner surface for guiding the fiber assembly that enters the inlet opening is present in the fiber guiding element, between the inlet opening and the vortex chamber, and • wherein the inner surface includes multiple, preferably radially inwardly directed, protrusions in a cross section of the fiber guiding element extending perpendicularly with respect to a center axis of the fiber guiding element, wherein at least a portion of the protrusions, at least in a front area facing the center axis, have an inwardly tapering contour,