Thoughts these days are you shouldn't scold. Apparently you run the danger they think they are being scolded for the piddle and not WHERE they did it. Just quietly clean up and reward when she piddles outside. ONe trick I used is to put the food or water bowl in previous piddle spots, after enzyme cleaning the spots. Most don't want to eliminate near where they eat and drink.This morning after her walk she came back in and piddled. I scolded her