diff --git a/src/runtime.js b/src/runtime.js
index 97c9ddb9b76a2fe31cf9b202cb491f15232232ff..26f65a2b2a3578638402fa887156fdad18eee368 100644
--- a/src/runtime.js
+++ b/src/runtime.js
@@ -8266,7 +8266,7 @@ function                tameFunctionConstructors() {
     FERAL_FUNCTION.prototype.constructor('return 1');
    }catch( ignore) {
     // Throws, no need to patch.
-    return harden({});
+    return {};
    }
 
   const newIntrinsics=  {};