Zambia’s next Group B opponents Cameroon on Sunday night drew 1-1 away to Algeria in Blida.
Cameroon came from behind to share the points with Algeria within the opening 30 minutes of the first half.
Dinamo Zagreb striker El Arbi Soudani put Algeria ahead in the 7th minute.
But Lorient striker Benjamin Moukandjo equalized in the 24th to see them share the [points and point second on one point.
Nigeria top after a 2-1 away win five hours earlier over bottom placed Zambia in Ndola.
Cameroon hosts Zambia on match day two on November 7.
Meanwhile, Cameroon will warm-up for Zambia on October 29 with a friendly date away against Kenya.