diff --git a/test/creditcard.test.js b/test/creditcard.test.js
index <HASH>..<HASH> 100644
--- a/test/creditcard.test.js
+++ b/test/creditcard.test.js
@@ -98,7 +98,7 @@ describe('creditcard#expiry', function () {
   it('should validate the expiry', function () {
     var today = new Date();
 
-    expect(creditcard.expiry((today.getMonth() + 1), today.getFullYear()));
+    expect(creditcard.expiry((today.getMonth() + 1), today.getFullYear())).to.equal(true);
   });
 
   it('should not validate the expiry', function () {
[test] actually check the expected value