diff --git a/Libraries/LibWeb/IndexedDB/IDBFactory.cpp b/Libraries/LibWeb/IndexedDB/IDBFactory.cpp
index f7314ddaacc..3955f8d0ee8 100644
--- a/Libraries/LibWeb/IndexedDB/IDBFactory.cpp
+++ b/Libraries/LibWeb/IndexedDB/IDBFactory.cpp
@@ -62,6 +62,10 @@ WebIDL::ExceptionOr<GC::Ref<IDBOpenDBRequest>> IDBFactory::open(String const& na
         // 1. Let result be the result of opening a database connection, with storageKey, name, version if given and undefined otherwise, and request.
         auto result = open_a_database_connection(realm, storage_key.value(), name, version, request);
 
+        // FIXME: https://github.com/w3c/IndexedDB/issues/434
+        // We need to set the request as processed, since we didnt always do it via the above function.
+        request->set_processed(true);
+
         // 2. Queue a task to run these steps:
         HTML::queue_a_task(HTML::Task::Source::DatabaseAccess, nullptr, nullptr, GC::create_function(realm.heap(), [&realm, request, result = move(result)]() mutable {
             // 1. If result is an error, then: