diff --git a/Libraries/LibWeb/HTML/ErrorEvent.cpp b/Libraries/LibWeb/HTML/ErrorEvent.cpp
index 9005bbb479..76a19b02d7 100644
--- a/Libraries/LibWeb/HTML/ErrorEvent.cpp
+++ b/Libraries/LibWeb/HTML/ErrorEvent.cpp
@@ -14,12 +14,14 @@ GC_DEFINE_ALLOCATOR(ErrorEvent);
 
 GC::Ref<ErrorEvent> ErrorEvent::create(JS::Realm& realm, FlyString const& event_name, ErrorEventInit const& event_init)
 {
-    return realm.create<ErrorEvent>(realm, event_name, event_init);
+    auto event = realm.create<ErrorEvent>(realm, event_name, event_init);
+    event->set_is_trusted(true);
+    return event;
 }
 
 WebIDL::ExceptionOr<GC::Ref<ErrorEvent>> ErrorEvent::construct_impl(JS::Realm& realm, FlyString const& event_name, ErrorEventInit const& event_init)
 {
-    return create(realm, event_name, event_init);
+    return realm.create<ErrorEvent>(realm, event_name, event_init);
 }
 
 ErrorEvent::ErrorEvent(JS::Realm& realm, FlyString const& event_name, ErrorEventInit const& event_init)
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/webappapis/scripting/processing-model-2/addEventListener.txt b/Tests/LibWeb/Text/expected/wpt-import/html/webappapis/scripting/processing-model-2/addEventListener.txt
new file mode 100644
index 0000000000..41bf5503d2
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/webappapis/scripting/processing-model-2/addEventListener.txt
@@ -0,0 +1,6 @@
+Harness status: OK
+
+Found 1 tests
+
+1 Pass
+Pass	window.onerror - addEventListener
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/webappapis/scripting/processing-model-2/addEventListener.html b/Tests/LibWeb/Text/input/wpt-import/html/webappapis/scripting/processing-model-2/addEventListener.html
new file mode 100644
index 0000000000..f3e1986e38
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/webappapis/scripting/processing-model-2/addEventListener.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - addEventListener</title>
+  <script src="../../../../resources/testharness.js"></script>
+  <script src="../../../../resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var ran = false;
+    window.addEventListener('error', t.step_func(function(e){
+        ran = true;
+        assert_true(e.isTrusted, 'isTrusted');
+    }), false);
+  </script>
+  <script>
+    undefined_variable;
+  </script>
+  <script>
+    for (;) {}
+  </script>
+  <script>
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+  </script>
+ </body>
+</html>
