diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 07516480399..1e8317362af 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -682634,7 +682634,7 @@
    "testharness"
   ],
   "workers/Worker-nested-importScripts-error.html": [
-   "8863b7523010dd8566d1ed42094e519efc500a65",
+   "bd96c835df9275e6f191adfe79f47f1df2d7d5bf",
    "testharness"
   ],
   "workers/Worker-replace-event-handler.any.js": [
diff --git a/tests/wpt/web-platform-tests/workers/Worker-nested-importScripts-error.html b/tests/wpt/web-platform-tests/workers/Worker-nested-importScripts-error.html
index 8863b752301..bd96c835df9 100644
--- a/tests/wpt/web-platform-tests/workers/Worker-nested-importScripts-error.html
+++ b/tests/wpt/web-platform-tests/workers/Worker-nested-importScripts-error.html
@@ -12,6 +12,7 @@ promise_test(t => {
   }).then(e => {
     assert_equals(e.type, "error");
     assert_true(e.filename.indexOf('invalidScript.js') >= 0);
+    e.preventDefault();
   });
 }, 'Tests that errors from the import scripts come from the expected file.')
 </script>