An Irish tourist has been accused of defacing Rome’s Colosseum after security staff caught him carving his initials into the ancient structure.

The 32-year-old man, who was not identified, was spotted Monday by private security at the tourist spot and reported to Carabinieri police, according to CNN.

He allegedly used a metal point to etch his initials on a pillar of the first floor of the Colosseum, which is considered one of the seven wonders of the world, the outlet reported.

Police charged him with damaging a historical and artistic landmark in connection to the alleged vandalism, CNN reported.

The crime carries a penalty of up to one year in prison or a fine of no less than $2,400 (2,065 euros), the outlet reported.

“It is a monument that deserves everyone’s respect because it belongs to everyone, and it must remain so,” archaeologist Federica Rinaldi told CNN.

“Carving one’s initials, in addition to being a crime, seems to be a gesture of those who want to appropriate the monument. Better take a selfie!”