After years of squabbling, Harry Potter's best friends Ron Weasley and Hermione Grainger finally became an item - but now their creator JK Rowling has admitted she made a mistake by marrying them off.

Hermione - whose quick wits get the teen wizards out of many a scrape in Rowling's hit novels - might have been a better match for hero Harry, the British author said in comments published by newspaper.

In reality, Ron and Hermione would probably have ended up in marriage counselling, Rowling suggested.

"For reasons that have very little to do with literature and far more to do with me clinging to the plot as I first imagined it, Hermione ended up with Ron," Rowling says in an interview with magazine, previewed by

"I know, I'm sorry, I can hear the rage and fury it might cause some fans, but if I'm absolutely honest, distance has given me perspective on that. It was a choice I made for very personal reasons, not for reasons of credibility. Am I breaking people's hearts by saying this? I hope not."