Work is underway to fix former mayor Ed Koch's headstone following the typo seen 'round New York City.
Engravers inscribed the wrong birth year on Koch's headstone last month at Trinity Cemetery in Washington Heights.
Koch was born in 1924, but his birth year was listed as 1942.
Engravers were back at the cemetery early Tuesday morning to fix the typo.
It's an ironic mistake given Mayor Koch was known to have meticulously planned his funeral.
He died in February at age 88.