I got your back as well," he said before thanking "Debbie Haley", when he was actually speaking about five-term Michigan Congresswoman Debbie Dingell
A confused Biden then started stumbling, with some believing he got mixed up with South Carolina Governor Nikki Haley.
"And by the way, I want you to know that I've spent a lot of time with Debbie," he added. "She's helped me a lot."
Biden also joked about Dingell's resemblance to his wife, First Lady Jill Biden, as some have mistaken the pair.
That would be an insult to Ms Dingell. No one wants to be mistaken for the 1st Hag.