The jury consisted of: Angèle Guller, David Bee, Léon Jongen, Jean Omer, Peter Packay, Jaap Streefkerk, Robert Wasmuth, and René Hénoumont [fr], with Robert Ledent as the chairman of the jury.

In the second round, the winner, "Ma petite chatte" performed by Fud Leclerc, was selected through the votes of a jury panel among 5 superfinalists.

[4] On the night of the final, Wednesday 12 March 1958, Fud Leclerc performed seventh in the running order, following Denmark and preceding Germany.

At the close of voting "Ma Petite Chatte" had received 8 points, placing Belgium join fifth (with Austria) of the 10 entries.

[5] The Belgian entry was conducted at the contest by the musical director Dolf Van Der Linden.