diff --git a/hw/core/machine.c b/hw/core/machine.c
index 934c1bcceb..16ba667434 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -36,7 +36,7 @@ GlobalProperty hw_compat_3_1[] = {
     { "tpm-tis", "ppi", "false" },
     { "usb-kbd", "serial", "42" },
     { "usb-mouse", "serial", "42" },
-    { "usb-kbd", "serial", "42" },
+    { "usb-tablet", "serial", "42" },
     { "virtio-blk-device", "discard", "false" },
     { "virtio-blk-device", "write-zeroes", "false" },
 };