A locking mechanism (1) for a vehicle seat, particularly for a motor vehicle seat, includes a latch (11) that is to be interlocked with an opposite element (B) and is mounted to be pivotable about a first bearing bolt (13), and at least one securing element (25, 31) that secures the latch (11) in the locked state. A cap (17) which rests on the latch (11) covers at least part of the edge of a hook opening of the latch (11).