diff --git a/sys/kern/subr_param.c b/sys/kern/subr_param.c
index 9fbbe947a5e..f4d0003f646 100644
--- a/sys/kern/subr_param.c
+++ b/sys/kern/subr_param.c
@@ -149,6 +149,7 @@ static const char *const vm_bnames[] = {
 	"QEMU",				/* QEMU */
 	"Plex86",			/* Plex86 */
 	"Bochs",			/* Bochs */
+	"Xen",				/* Xen */
 	NULL
 };