diff --git a/tests/test-qmp-event.c b/tests/test-qmp-event.c
index bb10366..3a7c227 100644
--- a/tests/test-qmp-event.c
+++ b/tests/test-qmp-event.c
@@ -133,7 +133,7 @@
 static void event_teardown(TestEventData *data,
                            const void *unused)
 {
-    QDECREF(data->expect);
+    qobject_unref(data->expect);
     test_event_data = NULL;
 
     g_mutex_unlock(&test_event_lock);