Former President Donald Trump could upset some of his most vocal supporters, including his son Donald Trump Jr., after reports emerged that the former president is considering former GOP South Carolina Gov. Nikki Haley as his running mate.

According to CBS News, multiple sources say Trump is asking allies what they think of Haley as his running mate. Politico also reported that the former president asked some of his close allies about Haley, who served as his U.N. ambassador.

Trump allies are, however, working to quash the possibility of a Trump-Haley ticket.

“There’s only one good thing about Nikki Haley,” said conservative activist Gavin Wax. “It’s that everyone in MAGA hates her guts.”

According to Politico, The former president —during a phone call with one of his allies— said he was aware of the negativity surrounding Haley but still wanted to get the alley’s person’s take about the former governor.

Several Trump Allies are concerned that Haley is not aligned with the former president’s base. The former president’s son, Trump Jr., told NewsMax that he will go to great lengths to make sure his father does not pick Haley as his running mate.

Former Fox News host Tucker Carlson has also expressed his displeasure at Haley becoming Trump’s running mate. Carlson, during a panel with conservative host Tim Pool, former Project Veritas founder James O’Keefe and Turning Point USA founder Charlie Kirk, said he would actively work against the ticket.

“I would not only not vote for that ticket, I would advocate against it as strongly as I could,” Carlson said when asked by Pool if he would still vote for Trump if the former president chose Haley as his second-in-command. “That’s just poison,” Carlson continued. “I mean, here’s someone who’s actively opposed to the interests of the country I grew up in, who endorsed the BLM riots, and who is not left, but is neoliberal in the darkest, most — speaking of nihilist — nihilistic way, and has no real popular support, is a creature of the oligarchs. “So yeah, that would be — that would be a reason to oppose the ticket.”