1 files changed, 6 insertions, 5 deletions
diff --git a/js/src/tests/test262/built-ins/isNaN/length.js b/js/src/tests/test262/built-ins/isNaN/length.js
index 01e06d1602..f323904d00 100644
--- a/js/src/tests/test262/built-ins/isNaN/length.js
+++ b/js/src/tests/test262/built-ins/isNaN/length.js
@@ -8,10 +8,11 @@ description: >
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(isNaN.length, 1, "The value of `isNaN.length` is `1`");
-
-verifyNotEnumerable(isNaN, "length");
-verifyNotWritable(isNaN, "length");
-verifyConfigurable(isNaN, "length");
+verifyProperty(isNaN, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);