(REUTERS) - Arsenal striker Olivier Giroud could lose his place in France's squad for next year's World Cup if he does not get more playing time at the English Premier League football club, according to the national team's assistant manager Guy Stephan.

Giroud is yet to begin a league game for Arsenal this campaign, notching all three of his domestic goals as a substitute, but has started all the north London club's Europa League and League Cup matches.

The 31-year-old and fellow forward Chilean Alexis Sanchez have consistently been Arsenal's top goalscorers in recent seasons but the Frenchman has been relegated to the bench in favour of compatriot Alexandre Lacazette during this campaign.

"It's clear that he is not getting enough playing time and Didier (France manager Didier Deschamps) has already spoken to him about it," Stephan told French TV network TF1. "He has to find a solution in the coming weeks.

"He has a very good goals-to-games ratio, but he now has to play."

Giroud, who has scored 29 goals in 69 games for France, was part of the squad that progressed to the 2014 World Cup quarter-finals and the 2016 European Championship final.

Arsenal are fifth in the league and travel to 11th-placed Southampton on Sunday.

Before that, they face Belarus team Bate Borisov in their final Europa League group match at home on Thursday, having already confirmed top spot in Group H.