Muza suffered a 2-1 defeat to Diables Noirs in the first leg of the CAF Confederations Cup on Sunday at National Heroes Stadium in Lusaka.
Albert Fataki gave the Congolese giants the lead in the 14th minute.
Against run of play Alves Oko stunned the home crowd with a 78th minute goal.
Andrew Phiri pulled one back from the spot for Muza.
Diables Noirs will host Muza in a fortnight in the return leg in Brazaville.