diff --git a/harness/propertyHelper.js b/harness/propertyHelper.js
index cc1359fe67..edf86e9490 100644
--- a/harness/propertyHelper.js
+++ b/harness/propertyHelper.js
@@ -73,7 +73,7 @@ function verifyProperty(obj, name, desc, options) {
     }
   }
 
-  assert.sameValue(failures.length, 0, failures.join('; '));
+  assert(!failures.length, failures.join('; '));
 
   if (options && options.restore) {
     Object.defineProperty(obj, name, originalDesc);