diff --git a/hw/input/ps2.c b/hw/input/ps2.c
index a8aa36f5c0..00a1792228 100644
--- a/hw/input/ps2.c
+++ b/hw/input/ps2.c
@@ -290,7 +290,7 @@ void ps2_write_keyboard(void *opaque, int val)
             ps2_queue(&s->common, KBD_REPLY_POR);
             break;
         default:
-            ps2_queue(&s->common, KBD_REPLY_ACK);
+            ps2_queue(&s->common, KBD_REPLY_RESEND);
             break;
         }
         break;