diff --git a/src/v8natives.js b/src/v8natives.js
index 894df14025..8e057037e4 100644
--- a/src/v8natives.js
+++ b/src/v8natives.js
@@ -615,7 +615,7 @@ function DefineOwnProperty(obj, p, desc, should_throw) {
     } else {
       flag |= READ_ONLY;
     }
-    var value;  // Default value is undefined.
+    var value = void 0;  // Default value is undefined.
     if (desc.hasValue()) {
       value = desc.getValue();
     } else if (!IS_UNDEFINED(current)) {