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Former Republican National Committee Chairman Michael Steele has added his name to a growing list of Republican figures disavowing Donald Trump, announcing on Thursday that he will not be voting for his party’s presidential candidate next month.

“I will not be voting for Clinton,” Steele said at the Mother Jones 40th anniversary dinner. “I will not be voting for Trump either.”

He singled out Trump’s first remarks disparaging Mexicans as rapists and criminals as the moment that party leaders such as current RNC Chairman Reince Priebus and House Speaker Paul Ryan should have stepped in to oppose Trump’s views.

“The chairman has the responsibility to provide law and order, in the sense that you want to inflect party discipline and instill party discipline where you need it,” he said, speaking from his experience as the party chair from 2009 until 2011.

He went on to describe Trump as the voice of the frustration of the “racist” and “angry” underbelly of America and noted, “I was damn near puking during the debates.”