A Nebraska Republican state lawmaker said Monday that he remains opposed to switching how the state allocates its electoral votes — a blow to former President Donald Trump and his allies, who are seeking the change in a bid for an extra electoral vote this fall.

A key state lawmaker announced Monday he doesn’t support changing Nebraska to a winner-take-all system, a move that could benefit former president Donald Trump.

Mike McDonnell, a state senator, said he would not support an effort to change the state’s electoral system to winner take all, an outcome that could have cost Kamala Harris an electoral vote.

Nebraska and Maine are the only states that split their electoral votes by congressional district, and both have done so in recent presidential elections. In Nebraska, which is solidly Republican, that means one of the state's five votes is competitive for Democrats.

A top Donald Trump ally is pressuring Nebraska Republicans to award all of their state’s Electoral College votes to the statewide winner, a late-stage rule change that could potentially help return Trump to the White House.

Nebraska and Maine are the only states that don’t award all their electoral votes to the presidential candidate who wins the state’s popular vote. Nebraska awards one electora