air conditioner leaks on 1993 Oldsmobile Achieva

When my air conditioner is on, water leaks to the rear passenger floorboard, how do I stop this?

Asked by for the 1993 Oldsmobile Achieva
the a/c has a drip hose on the firewall about the lower middle you can see it from under the car its probly clogged just take a short wire and clean it out