diff --git a/tests/wpt/metadata/webdriver/tests/execute_script/json_serialize_windowproxy.py.ini b/tests/wpt/metadata/webdriver/tests/execute_script/json_serialize_windowproxy.py.ini
index acf0670fae6..431ee10e885 100644
--- a/tests/wpt/metadata/webdriver/tests/execute_script/json_serialize_windowproxy.py.ini
+++ b/tests/wpt/metadata/webdriver/tests/execute_script/json_serialize_windowproxy.py.ini
@@ -1,9 +1,9 @@
 [json_serialize_windowproxy.py]
   [test_frame]
-    expected: ERROR
+    expected: FAIL
 
   [test_window_open]
-    expected: ERROR
+    expected: FAIL
 
   [test_initial_window]
     expected: FAIL