diff --git a/lib/async_hooks.js b/lib/async_hooks.js
index 6fa0aa0abadd68..34fa49724738e9 100644
--- a/lib/async_hooks.js
+++ b/lib/async_hooks.js
@@ -220,12 +220,16 @@ class AsyncResource {
     const ret = this.runInAsyncScope.bind(this, fn);
     ObjectDefineProperties(ret, {
       'length': {
-        enumerable: true,
+        configurable: true,
+        enumerable: false,
         value: fn.length,
+        writable: false,
       },
       'asyncResource': {
+        configurable: true,
         enumerable: true,
         value: this,
+        writable: true,
       }
     });
     return ret;