Sarah Jessica Parker has accidentally branded her husband Matthew Broderick as “average.”

The Sex and the City 2 actress - who has seven-year-old James Wilkie and 11-month-old twins Marion and Tabitha with spouse - made the gaffe while discussing how she is relieved that her son is one of the oldest in his class because he is so short.

She told talk show host David Letterman, “James is, for the moment, more on the diminutive side. Some might call it a Napoleon complex, his age gives him some confidence because he is so mature. He’s a brainiac… well I think so, naturally. He’s not quite tiny - that’s on my husband’s side - well, actually Matthew is average…”

The 45-year-old star - who stands 5ft 3in compared with the actor’s 5ft 8in - tried to backtrack on her comments, insisting her husband is only “average in height,” and not any of his other attributes.

“Not average in personality or in intellect…. no, no, no, no, no. Let me clear this up. For the record, not in personality, intellect, charisma, talent, genuine likeability, well the list could go on and on. Anyway he’s average in height as I understand so the odds of our son being average in height and weight is perhaps promising… How am I ever gonna fix this?”