That awkward moment when your dad thinks your rival will best you in the race for the Republican presidential nomination.
"Realistically is Trump going to be the nominee at this point?" NewsMax's Steve Mazlberg asked on Wednesday.
After a long pause, Paul grudgingly conceded that, "at this point it certainly is realistic."
Still, he said his son "may well surprise everybody."
In recent polls, Rand has nabbed a mere 2.7 percent of voters' support. Trump is in the lead with 37.4 percent.
The elder Paul has unsuccessfully run for the Republican nomination twice.
In a statement, the former congressman rebuked the idea that he was dismissing his son's chances. He said that the question he was responding to was "poorly worded" and said that "as usual the media can't get anything right."
Watch the interview below:
This story has been updated with a statement from the Paul campaign.
CLARIFICATION: This article has been updated to note that Ron Paul has run twice for the Republican nomination for president. He had a third campaign for the presidency, prior to those, as the candidate of the Libertarian Party.