Provided is a locking mechanism for a ski-binding, the locking mechanism comprising only one lever adapted to be pivoted between an engaged and a disengaged position. The lever further comprises at least one lug, the at least one lug adapted to engage with a notch formed in a mounting plate in an engaged position, and wherein the lug is adapted to hold the lever in a non-sliding manner when engaged with the notch. Explicitly, the locking mechanism does not comprise a second lever. Also provided is a ski-binding comprising only one locking mechanism, or adapted to receiving only one locking mechanism, and a mounting plate for use with the locking mechanism, and ski-binding.