Richard Hammond believes his The Grand Tour co-host Jeremy Clarkson is not as good a Who Wants To Be A Millionaire? host as his predecessor Chris Tarrant.
Clarkson was in the hot-seat for a special seven-episode run of programmes to mark Millionaire's 20th anniversary.
According to the Daily Mirror, Hammond prefers the original host in Tarrant to his former Top Gear co-star Clarkson.
Hammond, 48, is reported to have said at the NHS Heroes Awards: "He's not better than Tarrant - nobody is.
"But he was very good."
Clarkson, 58, had previously revealed Hammond was "quite clever" and he would use him as his phone a friend if he were sitting in the contestant's seat.
On the latest episode, Who Wants To A Millionaire? viewers were shocked after Clarkson wrongly told a contestant he had correctly answered a question.
During the seventh special edition of the ITV quiz show last week, the presenter confidently told contestant Alan Horsburgh, from Kirkcaldy in Scotland, that he knew the answer to the £16,000 question.
The question was "What type of animal is an ibex?". The answer options were Goat, Pig, Hare or Deer.
Clarkson thought the answer was "deer" - when it was in fact "goat".