Make use of the same words and phrases in referring to potty. A mature dog may get puzzled if you use several terms to suggest the same thing. If you want it to go potty, use the same words then it will somehow turn out to be just like a command to do the behaviour you’d like it to accomplish.
Get rid of every trace of potty incident indoors. Dogs’ olfaction are extremely keen and also the odor of pee or waste in your own home will make it believe that it’s the area to go potty. Work with a deodorizing cleaning solution in order to get rid of odors which often cling to the floor surfaces as well as carpets and rugs.