diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
index ee69b0a..2fb928d 100644
--- a/hw/lsi53c895a.c
+++ b/hw/lsi53c895a.c
@@ -788,7 +788,7 @@ static void lsi_do_msgout(LSIState *s)
         s->sfbr = msg;
 
         switch (msg) {
-        case 0x00:
+        case 0x04:
             DPRINTF("MSG: Disconnect\n");
             lsi_disconnect(s);
             break;