An apologetic Breel Embolo scored the winner against the country of his birth to hand Switzerland a 1-0 victory over Cameroon in their World Cup Group G clash at Al Janoub Stadium on Thursday.
Embolo swept home a low Xherdan Shaqiri cross after 48 minutes and then stood still with a rueful frown on his face as his team mates celebrated around him.
The 25-year-old was born in Yaounde but raised in Basel.
Cameroon were the better side in the opening half and might have had the lead as Karl Toko Ekambi, Eric-Maxim Choupo-Moting and Martin Hongla all missed good chances against a lacklustre Switzerland side that battled to get out of first gear.
But the Swiss were much improved in the second period and took the lead through Embolo's well-worked goal.
Ruben Vargas missed an excellent chance to score a second but was thwarted by goalkeeper Andre Onana as Cameroon ran out of steam.