A profile rail (1) is provided for forming a locker system (2) having a plurality of lockers (21, . . . , 26). The profile rail (1) is formed to integrate a locking mechanism (31) of one of the lockers (21) within the profile rail (1). The profile rail (1) comprises a lamella device (11) to cover the integrated locking mechanism (31; 32). The lamella device (11) is arranged to be displaceable in the direction of the longitudinal extension (L) of the profile rail (1). The lamella device (11) can be retained at a retaining site (12) of the profile rail (1) against longitudinal displacement.