diff --git a/Libraries/LibWeb/IndexedDB/Internal/Algorithms.cpp b/Libraries/LibWeb/IndexedDB/Internal/Algorithms.cpp
index 0955f80aaf8..f018aab5c95 100644
--- a/Libraries/LibWeb/IndexedDB/Internal/Algorithms.cpp
+++ b/Libraries/LibWeb/IndexedDB/Internal/Algorithms.cpp
@@ -120,7 +120,8 @@ WebIDL::ExceptionOr<GC::Ref<IDBDatabase>> open_a_database_connection(JS::Realm&
         }));
 
         // 6. Run upgrade a database using connection, version and request.
-        upgrade_a_database(realm, connection, version, request);
+        // AD-HOC: https://github.com/w3c/IndexedDB/issues/433#issuecomment-2512330086
+        auto upgrade_transaction = upgrade_a_database(realm, connection, version, request);
 
         // 7. If connection was closed, return a newly created "AbortError" DOMException and abort these steps.
         if (connection->state() == IDBDatabase::ConnectionState::Closed) {
@@ -129,8 +130,7 @@ WebIDL::ExceptionOr<GC::Ref<IDBDatabase>> open_a_database_connection(JS::Realm&
 
         // 8. If the upgrade transaction was aborted, run the steps to close a database connection with connection,
         //    return a newly created "AbortError" DOMException and abort these steps.
-        auto transaction = connection->associated_database()->upgrade_transaction();
-        if (transaction->aborted()) {
+        if (upgrade_transaction->aborted()) {
             close_a_database_connection(*connection, true);
             return WebIDL::AbortError::create(realm, "Upgrade transaction was aborted"_string);
         }
@@ -304,7 +304,7 @@ void close_a_database_connection(IDBDatabase& connection, bool forced)
 }
 
 // https://w3c.github.io/IndexedDB/#upgrade-a-database
-void upgrade_a_database(JS::Realm& realm, GC::Ref<IDBDatabase> connection, u64 version, GC::Ref<IDBRequest> request)
+GC::Ref<IDBTransaction> upgrade_a_database(JS::Realm& realm, GC::Ref<IDBDatabase> connection, u64 version, GC::Ref<IDBRequest> request)
 {
     // 1. Let db be connection’s database.
     auto db = connection->associated_database();
@@ -365,6 +365,8 @@ void upgrade_a_database(JS::Realm& realm, GC::Ref<IDBDatabase> connection, u64 v
     HTML::main_thread_event_loop().spin_until(GC::create_function(realm.vm().heap(), [&wait_for_transaction]() {
         return !wait_for_transaction;
     }));
+
+    return transaction;
 }
 
 // https://w3c.github.io/IndexedDB/#deleting-a-database
diff --git a/Libraries/LibWeb/IndexedDB/Internal/Algorithms.h b/Libraries/LibWeb/IndexedDB/Internal/Algorithms.h
index 7e9a1182b59..2814a282127 100644
--- a/Libraries/LibWeb/IndexedDB/Internal/Algorithms.h
+++ b/Libraries/LibWeb/IndexedDB/Internal/Algorithms.h
@@ -17,7 +17,7 @@ WebIDL::ExceptionOr<GC::Ref<IDBDatabase>> open_a_database_connection(JS::Realm&,
 bool fire_a_version_change_event(JS::Realm&, FlyString const&, GC::Ref<DOM::EventTarget>, u64, Optional<u64>);
 ErrorOr<GC::Ref<Key>> convert_a_value_to_a_key(JS::Realm&, JS::Value, Vector<JS::Value> = {});
 void close_a_database_connection(IDBDatabase&, bool forced = false);
-void upgrade_a_database(JS::Realm&, GC::Ref<IDBDatabase>, u64, GC::Ref<IDBRequest>);
+GC::Ref<IDBTransaction> upgrade_a_database(JS::Realm&, GC::Ref<IDBDatabase>, u64, GC::Ref<IDBRequest>);
 WebIDL::ExceptionOr<u64> delete_a_database(JS::Realm&, StorageAPI::StorageKey, String, GC::Ref<IDBRequest>);
 void abort_a_transaction(IDBTransaction&, GC::Ptr<WebIDL::DOMException>);
 JS::Value convert_a_key_to_a_value(JS::Realm&, GC::Ref<Key>);