Democratic presidential contender Beto O'Rourke Beto O'RourkeJimmy Carter says his son smoked pot with Willie Nelson on White House roof O'Rourke endorses Kennedy for Senate: 'A champion for the values we're most proud of' 2020 Democrats do convention Zoom call MORE said Sunday he plans to "keep it clean" and avoid using the "f-word" moving forward in his presidential campaign.

O'Rourke, who launched his bid for the 2020 Democratic presidential nomination last week, was asked during a stop in Wisconsin if he would "clean up his act" and stop using profanities in front of his children, The Associated Press reported.

"I don’t intend to use the f-word going forward. Point taken, and very strongly made..." he said. "We’re going to keep it clean."

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A Vanity Fair profile published a day before O'Rourke entered the 2020 race included an anecdote in which O'Rourke says "motherf-----" as he cuts through a busy intersection with his young kids in tow. He then apologizes to his children.

The AP reported that O'Rourke assured voters that he's never taken LSD, and that there's "nothing" more in his past that could surface that would hurt his candidacy.

The El Paso Democrat told voters that he previously visited Wisconsin as part of a tour with his punk rock band.

O'Rourke entered the field of 2020 Democratic presidential candidates last week, joining Sens. Elizabeth Warren Elizabeth WarrenHarris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda Judd Gregg: The Kamala threat — the Californiaization of America GOP set to release controversial Biden report MORE (D-Mass.), Kamala Harris Kamala HarrisButtigieg stands in as Pence for Harris's debate practice First presidential debate to cover coronavirus, Supreme Court Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (D-Calif.), Amy Klobuchar Amy KlobucharSocial media platforms put muscle into National Voter Registration Day Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE (D-Minn.), Cory Booker Cory Anthony BookerBipartisan praise pours in after Ginsburg's death DHS opens probe into allegations at Georgia ICE facility Democratic lawmakers call for an investigation into allegations of medical neglect at Georgia ICE facility MORE (D-N.J.) and Bernie Sanders Bernie SandersButtigieg stands in as Pence for Harris's debate practice Bernie Sanders warns of 'nightmare scenario' if Trump refuses election results Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (I-Vt.), among others, in seeking the nomination.

The El Paso Democrat has been scrutinized early in the campaign over his membership in a hacking group as a teenager, as well as his comments about how he "sometimes" helps his wife raise their kids.

He has said he's not proud of his involvement int he hacking group, and has said he'll be more mindful when talking about his family in the future.