diff --git a/src/index.test.ts b/src/index.test.ts
index d9accf1..4111cac 100644
--- a/src/index.test.ts
+++ b/src/index.test.ts
@@ -6,3 +6,11 @@ Deno.test("Hello test", () => {
   const expected = "Hello, World!";
   assertStrictEquals(actual, expected);
 });
+
+Deno.test("Random Hello", () => {
+  const id = 5;
+  const actual = sayHello(id);
+  const expected = "Bonjour le monde";
+
+  assertStrictEquals(actual, expected);
+});
diff --git a/src/index.ts b/src/index.ts
index 51fa37e..b7bf741 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,6 +1,8 @@
 /**
  * Display the iconic Hello, World
  */
-export const sayHello = () => "Hello, World!";
+export const sayHello = (id?: number) => {
+  return (id === 5) ? "Bonjour le monde" : "Hello, World!";
+};
 
 console.log(sayHello());