Survival photo

Photograph via Boise Fire Department/Twitter

A 73-acre fire in the Boise Foothills of Idaho ignited last week when a cyclist relieved himself then burned his toilet paper, a fairly common practice in the backcountry. According to CBS News, the cyclist, whose name has not been released, learned the habit from his grandfather, but this time it did not go as planned. As the paper burned, an ember ignited nearby brush, and the man was unable to stamp it out before it spread.

“He thought he was doing the environmental thing,” said Carrie Bilbao, a spokeswoman for the Idaho Bureau of Land Management. Rather than burning used toilet paper, Bilbao advises that people bury their waste and pack out the paper instead.

KTVB reports that officials were able to contain the fire by 8:00 P.M. the day it began. The next morning, the cyclist turned himself in to police for starting the blaze, was ticketed, and will have to pay fines and, possibly, the cost of extinguishing the fire.

Western states are battling a landmark wildfire season this year, with nearly 35,000 fires having burned more than 5.5 million acres—two million more than the 10-year average, according to ThinkProgress. As the Idaho fire proves, outdoorsmen can never be too careful with fire, even when it’s something as simple as answering nature’s call.