Republican presidential candidate Dr. Ben Carson said in an interview that aired Sunday that Thomas Jefferson wrote the Constitution. But in reality, the founding father was the lead author of the Declaration of Independence.

It’s not the first time Carson has gotten United States history wrong. As The Wall Street Journal previously flagged, Carson erroneously said the founding fathers had “no elected office experience.”

Carson credited the nation’s third President with writing the Constitution when he was asked who of the founding fathers stood out in an interview with C-SPAN as part of its “Road to the White House” series.

“I’m impressed by a lot of them, but particularly impressed with Thomas Jefferson, who seemed to have very deep insight into the way that people would react,” Carson said. “And he tried to craft our Constitution in a way that it would control people’s natural tendencies and control the natural growth of the government.”

Watch below:

h/t: Mediaite