A door-lock for household appliances, comprising: a casing having an opening through which it is intended to be inserted a hook connected to the door of the appliance, a cam articulated to the casing and rotatable between an open door position and a closed door position, wherein the insertion of the hook in the casing rotates the cam from the open door position to the closed door position, a locking mechanism including a locking pin movable between an unlocking position and a locking position, a main switch switchable between an open position and a closed position, wherein said locking pin in the unlocking position prevents the closure of the main switch, and a hook sensing mechanism including a hook sensing pin movable between a disengaged hook position and an inserted hook position, wherein said hook sensing pin cooperates directly with said main switch and prevents the closure of the main switch in the disengaged hook position.