Sun’s out, buns out — but cover that face.

As coronavirus cases soar past 4,700 in the Czech Republic, the Eastern European nation’s nude sunbathers are being targeted by authorities for neglecting to cover up … their mouths.

Around 75 people, including opportunistic nudists enjoying some fun in the sun, in Lázně Bohdaneč were found to be in violation of government orders to wear face masks in public, reports Pen News.

“Unfortunately, the sunbathing citizens were in one place in larger numbers and some did not even have a mask,” police spokeswoman Markéta Janovská told local media in the spa mecca town east of Prague. A nationwide emergency ordinance stipulates that while exhibitionists are indeed allowed to bask in the nude, they must do so while wearing face masks and not in groups of more than two people.

“Citizens can be without clothes in places designated for this purpose, but they must have their mouths covered and must observe the numbers in which they can go into nature,” said Janovská.

Janovská added that while enjoying the nice weather — whether clothed or not — is allowed, locals are expected to follow government orders.

“We understand that many people do not have a garden and want to ventilate in the countryside,” Janovská said. “But we all want one thing in common: fully respecting government regulations, so that the measures taken can be gradually released.”

Police said no fines were issued and sunbathers immediately put on face masks.

The Czech Republic was one of the first European countries to declare a state of emergency in March and has since started to ease lockdown rules, reported Reuters. The nation had 78 coronavirus-related deaths as of Monday.