Mark Ronson is desperate to bust up his kid sister’s romance with the poisonous Lindsay Lohan.

British record producer has been hit with a wave of concern for his sister, Samantha, after the celebrity spinner was recently hospitalized for exhaustion, and is reportedly trying to get between Sam’s volatile romance with the Hollywood actress.

On Sunday, The News Of The World reported:

Well said DJ MARK RONSON, who has ordered his skinny little sis to end things with “actress” LINDSAY Yes-I-Really-Am-A-Lesbian (I-Think) LOHAN. “Mark doesn’t think Lindsay is right for his little sister,” said an insider. “He’s really protective and is pressing to end it for good.”