diff --git a/hw/xen/xen_pt.c b/hw/xen/xen_pt.c
index c1bf357154..f2893b28aa 100644
--- a/hw/xen/xen_pt.c
+++ b/hw/xen/xen_pt.c
@@ -736,7 +736,7 @@ static int xen_pt_initfn(PCIDevice *d)
     }
 
 out:
-    memory_listener_register(&s->memory_listener, &address_space_memory);
+    memory_listener_register(&s->memory_listener, &s->dev.bus_master_as);
     memory_listener_register(&s->io_listener, &address_space_io);
     XEN_PT_LOG(d,
                "Real physical device %02x:%02x.%d registered successfully!\n",