Amy, the Asif Kapadia-directed documentary about the life of Amy Winehouse, was crowned Best Documentary Feature at Sunday’s Oscars ceremony, but the late singer’s father isn’t among those celebrating the win.

Mitch Winehouse, who has previously been critical of the documentary about his daughter, called the film a “negative, spiteful, misleading portrayal” of Amy Winehouse.

“Always proud of my baby. Amy will not get an oscar though,” he wrote on Twitter. “Just Asif Kapadia. That is what this is all about…Asif. He’s fooled everybody.”

“I am not changing my stance just because film won Oscar. It’s a negative, spiteful and misleading portrayal of Amy. We will fix this,” Winehouse continued.

Amy Winehouse’s family shared their disapproval for the film before it was released last year, saying in a statement that Amy is “both misleading and contains some basic untruths.”

“The narrative is formed by the testimony of a narrow sample of Amy’s associates,” the statement read, “many of whom had nothing to do with her in the last years of her life. Counter views expressed to the filmmakers did not make the final cut.”

Last week, Mitch Winehouse tweeted that there are other projects in the works about his daughter.

“My friends. This film will not be the defining image of Amy,” he wrote on Feb. 21. “We are already working on other projects. I can’t say more at this stage.”

Accepting the Academy Award on Sunday night, Kapadia said the documentary “is all about Amy, this is all about showing the world who she really was: not her tabloid persona, the beautiful girl, the amazing soul, funny, intelligent, witty, someone special, someone who needed looking after.”

He added, “We just wanted to make a film to show the world who she really was.”

This article originally appeared on Entertainment Weekly.com

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