The Brooklyn borough president maintained his lead after absentee ballots were counted.
The preliminary tally does not account for nearly 125,000 absentee ballots.
The city’s Board of Elections said it regretted the mistake and would count the correct ballots.
Thanks to New York City’s new ranked-choice voting system, votes are still being counted.
Whoever wins the city's Democratic primary on Tuesday will set the tone for economic recovery and the future of criminal justice reform.
Andrew Yang and Eric Adams both make the left’s skin crawl, but one of them is likely to be mayor.