Zamalek suffered a 1-0 defeat against USM Alger in the first leg of the CAF Confederation Cup final.
Juan Bezerra thought he had given the Egyptian giants the lead in stoppage time, but the referee ruled out the goal after a VAR review and awarded USM Alger a penalty for an earlier foul by Hossam Abdelmaguid.
Ahmed Khaldi converted from the spot to give the home side victory.
Mahmoud Bentayg was sent off and will miss the return leg, which takes place in Cairo on May 16.
