diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
index 0c5e50ab3e..f466824dd9 100644
--- a/hw/lsi53c895a.c
+++ b/hw/lsi53c895a.c
@@ -790,7 +790,7 @@ static void lsi_do_msgout(LSIState *s)
         s->sfbr = msg;
 
         switch (msg) {
-        case 0x00:
+        case 0x04:
             DPRINTF("MSG: Disconnect\n");
             lsi_disconnect(s);
             break;