WYLIE (CBSDFW.COM) – A working smoke detector could get you a free pizza this week.

This is fire prevention week, the time of year fire departments across the country urge residents to change the batteries on their home smoke alarm.

In Wylie, the fire department will be make house calls Wednesday if you order a pizza from Domino’s.

Jen Hug with Domino’s says the Wylie Fire Department will be delivering pizzas in their trucks, and if you have a working fire alarm in your home, the order will be free.

Not every call will get a fire truck delivery, only select ones, says Hug.

KRLD’s L.P. Phillips Reports

If the fire alarm is not working, you still have to pay the regular cost, but the fire department will swap out the batteries for free and leave you with a working alarm.