Hopes that he would be matched against Royal Anthem in the International Stakes were not fulfilled as he was instead brought back to one mile for the Prix Jacques Le Marois at Deauville. On heavy, rain-softened ground he once again led all the way and "surged" clear in the closing stages to beat the Grand Prix de Paris winner Slickly by two and a half lengths. The leading French colt Sendawar was withdrawn because of the soft ground. After the race, Dettori called Dubai Millennium "a champion".