He competed at the 2005 World Championships in both 100 and 200 metres, but did not reach the final; however, in the 4 × 100 m relay he won a gold medal together with teammates Ladji Doucouré, Eddy De Lépine and Lueyi Dovy. He rounded off the season by finishing fifth in the 2005 World Athletics Final. He also set personal best times in both 100 and 200 metres that season. 9.99 seconds in the Lausanne Super Grand Prix in July, and 20.27 seconds in the Rieti Grand Prix in August. He became the first Frenchman to go under 10 seconds, and only four Europeans had run faster: Francis Obikwelu (9.86), Linford Christie (9.87), Dwain Chambers (9.97) and Jason Gardener (9.98).