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*It seems the mistake Halle Berry made in hooking up with Gabriel Aubry in the first place is still haunting her.

Specifically, she’s trying her best to get her child support payments to him reduced payments from about $16,000 to $3,800.

But you can believe Aubry, the baby daddy of their 6-year-old daughter Nahla, is fighting back, claiming that he he needs the money because he hasn’t been able to get modeling job gigs after he brawled with Berry’s current husband, Olivier Martinez, on Thanksgiving 2012.

Berry, 48, alleges that Aubry, 39, uses the child support for his own fitness, clothing, electronics, car and health insurance, according to a TMZ report.

“She does feel that he is abusing the system and taking advantage of her,” a source close to Martinez tells PEOPLE of Berry. “Halle does work hard for her money, and it’s not easy for her to juggle the two kids with her work schedule. It’s understandable that she feels Gabriel should be able to make enough money to support Nahla.”

Berry and Aubry, went their separate ways in 2010 after four years together, leading to the lengthy custody battle over Nahla.

Berry and French actor Martinez, 48, married in July 2013. Their son, Maceo-Robert, was born that October.