Roger Stone, a longtime Republican operative and former Trump campaign associate, said he will run for governor of Florida in 2022 to split the Republican vote and defeat Gov. Ron DeSantis — unless DeSantis promises he will not run for president in 2024.

Stone told WFOR-TV that he would run as a Libertarian or some other third-party candidate to siphon votes away from DeSantis and help a Democrat become governor unless DeSantis pledged to serve all four years of his second term, should he win reelection.

“I believe that Gov. DeSantis, assuming he’s going to run for re-election, should pledge to the people of Florida that he will fill out all four years of a second term,” Stone said on Friday. “What I don’t want to see is for him to be reelected and then immediately abandon Florida to run off and run for president, particularly if he’s running against Donald Trump.”

DeSantis, who was first elected in 2018 and announced in October he will run for reelection, has become one of the most well-known and popular Republican governors in the nation for his anti-lockdown, anti-mandate leadership during the COVID-19 pandemic. His record as governor, relative youth at age 43, and experience in Washington D.C. as a former congressman has led many to consider him a strong contender for the 2024 GOP presidential nomination, should he want it.