diff --git a/2-copy-of-code/lesson-09/ecommerce-project/src/utils/money.test.js b/2-copy-of-code/lesson-09/ecommerce-project/src/utils/money.test.js
index aa5bf91..f981d31 100755
--- a/2-copy-of-code/lesson-09/ecommerce-project/src/utils/money.test.js
+++ b/2-copy-of-code/lesson-09/ecommerce-project/src/utils/money.test.js
@@ -10,4 +10,8 @@ describe('formatMoney', () => {
     expect(formatMoney(1090)).toBe('$10.90');
     expect(formatMoney(100)).toBe('$1.00');
   });
+
+  it('works with the number 0', () => {
+    expect(formatMoney(0)).toBe('$0.00');
+  });
 });