An anchoring rail and a plurality of fasteners for a wall anchoring system, said anchoring rail being adapted for receiving at least one fixing for tying walls, and adapted for being secured to a substrate or inner wall by the plurality of fasteners, the anchoring rail comprising: an anchoring rail profile defining a rail longitudinal direction; said anchoring rail profile comprising a base portion extending in a wall plane and in the rail longitudinal direction with openings for receiving the anchoring rail fasteners of the type having fastener heads with a fastener head height and a fastener head width and a fastener shaft, and two longitudinal side flanges disposed opposite each other on each side of said base portion, said side portions extending the rail longitudinal direction and out of the wall plane of the base portion, said side flanges having a first side facing away from the base portion; a retention portion is provided on each of the side flanges so that the two retention portions on the side flanges are projecting toward one another defining a profile slot between each other, said slot having a predetermined width, said retention portions being provided at a first distance from the base portion and the slot is adapted to receive said at least one fixing for tying walls, characterised in that the retention portions are configured to bend elastically towards the base portion if at least one of said fastener heads, having a fastener head width greater than the width of the slot and a fastener head height being the same as the first distance, is advanced into the profile slot, such that the retention portions spring back and lock the fastener head in the anchoring rail profile such that the anchoring rail profile cannot axially move on the fastener shaft. an anchoring rail profile defining a rail longitudinal direction; said anchoring rail profile comprising a base portion extending in a wall plane and in the rail longitudinal direction with openings for receiving the anchoring rail fasteners of the type having fastener heads with a fastener head height and a fastener head width and a fastener shaft, and two longitudinal side flanges disposed opposite each other on each side of said base portion, said side portions extending the rail longitudinal direction and out of the wall plane of the base portion, said side flanges having a first side facing away from the base portion; a retention portion is provided on each of the side flanges so that the two retention portions on the side flanges are projecting toward one another defining a profile slot between each other, said slot having a predetermined width, said retention portions being provided at a first distance from the base portion and the slot is adapted to receive said at least one fixing for tying walls, characterised in that the retention portions are configured to bend elastically towards the base portion if at least one of said fastener heads, having a fastener head width greater than the width of the slot and a fastener head height being the same as the first distance, is advanced into the profile slot, such that the retention portions spring back and lock the fastener head in the anchoring rail profile such that the anchoring rail profile cannot axially move on the fastener shaft.