MADISON, Wis. (AP) — Wisconsin voters who have already returned their absentee ballots for the state's primary are not allowed to void those and request a new one, a judge ruled Wednesday.

The ruling deals a blow to Democrats, who filed a lawsuit seeking to give voters a do-over because of a chaotic party primary in the governor's race.

More than 117,000 absentee ballots had been returned by Wednesday. Democrats were concerned that many of those might have been cast for Lt. Gov. Sara Rodriguez, who had been seen as a Democratic frontrunner before she dropped out on July 17 amid a campaign finance scandal. A day later, Milwaukee County Executive David Crowley, who had bowed out on July 8, reentered the race.

Rodriguez's name remains on the ballot, along with former state economic development director Missy Hughes, who dropped out in June.

Dane County Circuit Judge David Conway on Wednesday ruled that "the unambiguous language of the statute does not allow a voter to spoil an absentee ballot after it is returned." He said the guidance issued by the elections commission to the roughly 2,000 clerks who run elections at the local level was consistent with the law.

The judge declined to issue a temporary restraining order sought by Democrats. They had wanted the judge to order the state elections commission to rescind its guidance.

The attorney for voters who filed the lawsuit with support from the Wisconsin Democratic Party argued in a Tuesday hearing that state law allows voters who have submitted absentee ballots to change their mind before those ballots are counted on Election Day.

"Voters across Wisconsin will be disenfranchised" if not allowed to do that, attorney Eduardo Castro argued before Conway.

The Republican National Committee opposed the effort to allow for revoting.

The bipartisan Wisconsin Elections Commission had voted on July 9 to distribute guidance to clerks saying absentee voters cannot change their ballot after it has been returned. The rarely used process is known as ballot spoiling.

Spokespeople for the Wisconsin Democratic Party and the state elections commission did not immediately return messages seeking comment on the ruling.

Ballot spoiling was the subject of a 2022 lawsuit brought by a Republican group. In that case, a Waukesha County judge agreed that the elections commission must rescind its guidance that allowed voters to cast a second ballot. But the state appeals court earlier this year vacated that ruling on technical grounds and did not rule on the merits.

The winner of the Democratic primary will advance to November's general election, most likely against Republican U.S. Rep. Tom Tiffany, who has only token opposition in his party's primary. Democratic Gov. Tony Evers is not seeking a third term.

Democrats hope to keep the governor's office and flip both chambers of the Legislature to gain full control of state government for the first time since 2010.

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This story corrects the spelling in a second reference to 'Rodriguez.'