Algeria suffered a fourth defeat in succession as Cameroon claimed all three points in a 2018 FIFA World Cup (CAF) qualifier at the Stade Ahmadou Ahidjo in Yaoundé in on Saturday, for their maiden win of the campaign.
Clinton Njié and Franck Pangop on target for the reigning African champions, in a tussle that was purely a formality with both teams playing for pride and nothing else.
It has been a dire qualifying campaign for two of Africa's big guns and the result painted another gloomy picture for the Fennec Foxes, who boast a mere point from five matches.
El Arabi Soudani had a day to forget for the visitors, with the North African's without Leicester City duo Islam Slimani and Riyad Mahrez after they were axed from the squad.
Njié - back for Cameroon - had a more memorable outing and opened the scoring after 25 minutes, pouncing on a defensive error to give the hosts the lead.
Pangop made sure of all three points on the cusp of full-time, as he found the back of the net a minute after emerging off the bench in place of French-based Njié.
In Uyo, Nigeria confirmed their place at next year's showpiece in Russia following a 1-0 win over Zambia. Arsenal forward Alex Iwobi with the only goal of the encounter.
Cameroon (1) 2 (Njié 25' Pangop 88')
Algeria (0) 0
Cameroon: Ondoa; Zambo Anguissa, Teikeu, Ngadeu Ngadjui, Siani, Olinga (Ngamaleu 82'), Fai, Leuko, Bassogog (Mandjecl 73'), Aboubakar, Njie (Pangop 87')
Algeria: Mbolhi; Mandi, Cadamuro, Taider (Bennacer 60'), Hanni (Ferhat 71'), Feghouli (Ghezzal 75'), Fares, Benguit, Bensebaini, Soudani, Belfodil