The present invention related to a door jamb finger guard. The finger guard comprises a door lock for preventing closure of the door, a housing for the door lock and a spring activated plate. The spring activated plate is activateable by a door closing obstacle for automatically moving the door lock between an inactive position and an active position. In the inactive position, the door lock is recessed within the housing, while in the active position, the door lock projects from the housing to prevent closure of the door.