The French President says that a new Brexit Withdrawal Agreement won't be possible within 30 days.
Emmanuel Macron was speaking ahead of a meeting with the British Prime Minister in Paris.
Boris Johnson wants the backstop dropped in a bid to secure a deal.
However President Macron says the EU is actively preparing for a No deal exit and it's up to the UK to decide the way it will leave.
Emmanuel Macron told Boris Johnson the backstop is essential.