diff --git a/qmp-commands.hx b/qmp-commands.hx
index 4328e8b..cb60d0c 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -569,7 +569,8 @@
         .params     = "protocol hostname port tls-port cert-subject",
         .help       = "send migration info to spice/vnc client",
         .user_print = monitor_user_noop,
-        .mhandler.cmd_new = client_migrate_info,
+        .mhandler.cmd_async = client_migrate_info,
+        .flags      = MONITOR_CMD_ASYNC,
     },
 
 SQMP