Some owners of Tesla Motors shares want the electric car company to make its cars more ethical — by taking out the leather seats.

Two shareholders, Mark and Elizabeth Peters, made a presentation at the company’s annual shareholder meeting Tuesday, asking Elon Musk and the rest of Tesla’s leadership to stop using animal products in the interiors of Tesla cars, and to go completely vegan by 2019, according to Bloomberg.

Right now, the Tesla Model S is available without leather seats, but not without leather trim. The couple said it was extremely difficult to get a vegan Model S.

Mark and Elizabeth Peters seem unlikely to get their wish, however, as the board of directors recommended against implementation of their plan.

For more details, head to Bloomberg.

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