Russian theater director Kirill Serebrennikov’s lawyer on Monday said a letter allegedly written by the director from prison circulating on social media was fake.

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“There was no letter from Kirill Serebrennikov to Lars Eidenger,” Dmitry Kharitnov told the RBC news outlet on Monday morning.

In the letter, published on actor Eidenger’s Instagram on Sunday, Serebrennikov supposedly urged his supporters to remain calm, asking them to “not fall to the provocations of some political scammers who are trying to make money on any story which can be turned against the authorities.”

“I ask you not to incite hatred in attempts to intercede for me and not turn people against each other,” the English-language text reads.

Eidenger, who plays Tsar Nicholas II in the upcoming Russian historical drama “Mathilde,” claimed that Serebrennikov had given him the text during his last visit to Germany, with instructions to publish in the case of his arrest. He was sentenced to house arrest on Aug. 23 by a Moscow court.