Morocco weathered a first-half storm to earn its first World Cup victory since 1998 when it defeated Belgium 2-0 in World Cup Group F.
Morocco fans created a raucous atmosphere at the Al Thumama Stadium on Sunday.
Belgium dictated the first half, but were unable to convert their dominance into goals.
In the second half, Moroccan substitute Abdelhamid Sabiri took a free kick past Thibaut Courtois.
Then, in stoppage time, Zakaria Aboukhlal, also a substitute, scored to put Morocco top of their group with four points, one ahead of Belgium, leaving the Moroccan fans raving.