diff --git a/test/built-ins/Proxy/setPrototypeOf/internals-call-order.js b/test/built-ins/Proxy/setPrototypeOf/internals-call-order.js
index eb6681d78c9f11ae711213398bd6c61277fc77c6..8f2c3d502c8591f277be445a53bdc71ad2148fb9 100644
--- a/test/built-ins/Proxy/setPrototypeOf/internals-call-order.js
+++ b/test/built-ins/Proxy/setPrototypeOf/internals-call-order.js
@@ -41,7 +41,7 @@ var proxy = new Proxy(target, {
   }
 });
 
-assert.sameValue(Reflect.setPrototypeOf(proxy, proto), false);
+assert.sameValue(Reflect.setPrototypeOf(proxy, proto), true);
 assert.sameValue(calls.length, 3);
 assert.sameValue(calls[0], "proxy.[[setPrototypeOf]]");
 assert.sameValue(calls[1], "target.[[IsExtensible]]");