diff --git a/tests/wpt/runner/expectation.json b/tests/wpt/runner/expectation.json
index 654087a969..fd74797411 100644
--- a/tests/wpt/runner/expectation.json
+++ b/tests/wpt/runner/expectation.json
@@ -6140,9 +6140,9 @@
       "constructors.html": false,
       "default-iterator-object.html": true,
       "default-toJSON-cross-realm.html": false,
-      "global-immutable-prototype.any.worker.html": [
-        "Setting to a different prototype"
-      ],
+      "global-immutable-prototype.any.worker.html": {
+        "ignore": true
+      },
       "global-object-implicit-this-value-cross-realm.html": false,
       "has-instance.html": [
         "Manually-constructed prototype chains are correctly handled by instanceof",