diff --git a/hw/xbox/nv2a.c b/hw/xbox/nv2a.c
index 18491dd7cf..27a5a1fd0c 100644
--- a/hw/xbox/nv2a.c
+++ b/hw/xbox/nv2a.c
@@ -4807,7 +4807,7 @@ static int nv2a_initfn(PCIDevice *dev)
     /* fire up puller */
     qemu_thread_create(&d->pfifo.puller_thread,
                        pfifo_puller_thread,
-                       d, QEMU_THREAD_DETACHED);
+                       d, QEMU_THREAD_JOINABLE);
 
     return 0;
 }