This information has been corrected.

On Monday morning, Queen Elizabeth II’s state funeral brought together 2000 invited guests from around the world.

Despite its size, the event proceeded without much incident aside from some very public faux pas.

Marcelo Ebrard waving at camera in Mexico City

One notable misstep was committed by Mexico’s secretary of foreign affairs, Marcelo Ebrard.

“At the State Funeral of HM (Her Majesty) Queen Elizabeth II,” the caption read.

The photo was uploaded before the funeral began.

Selfie of Marcelo Ebrard and Rosalinda Bueso at the funeral