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 . <EOS>