diff --git a/index.html b/index.html
index 92be7a5..d2d1723 100644
--- a/index.html
+++ b/index.html
@@ -7,7 +7,7 @@
   }
 
   QUnit.test('$1 Loan Amount', (assert) => {
-    const interestToPay = undefined;
+    const interestToPay = 0;
     strictEqual({ expected: 0, actual: interestToPay }, assert);
   });
 </script>
\ No newline at end of file