The Belgian participating broadcaster, Walloon Radio-Télévision Belge (RTB), selected its entry through a national final.

The jury consisted of 100 people across 10 cities in Belgium who would be phoned and asked to vote for 1 song.

[1][4] On the night of the final Vallée performed 5th in the running order, following Yugoslavia and preceding France.

At the close of voting "Viens l'oublier" had received 5 points (3 from France and 1 apiece from Ireland and Luxembourg), placing Belgium joint 8th (with Italy and Monaco) of the 12 entries.

The Belgian jury awarded 9 of its 10 points to contest winners Ireland, the highest ever mark given by one country to another under the 10-points-per-jury system.