diff --git a/tests/libqtest.c b/tests/libqtest.c
index d8fba6647a..e54354de8a 100644
--- a/tests/libqtest.c
+++ b/tests/libqtest.c
@@ -379,9 +379,9 @@ static void qmp_response(JSONMessageParser *parser, GQueue *tokens)
         exit(1);
     }
 
-    g_assert(qobject_type(obj) == QTYPE_QDICT);
     g_assert(!qmp->response);
-    qmp->response = (QDict *)obj;
+    qmp->response = qobject_to_qdict(obj);
+    g_assert(qmp->response);
 }
 
 QDict *qmp_fd_receive(int fd)