That happens to the drawers on the right side of my treadle, as well. I use a stiff card, like a credit card, to slide between the drawer and the cabinet, and push the lock out of the slot in the drawer. Works perfectly. But when I close the drawer, the lock slides back down into the drawer slot again, so I have to use the credit card each time I open it. Someday I will put some tape across where the lock slides down, and keep it from sliding down and entering the drawer slot. Someday....