diff --git a/sys/kern/subr_param.c b/sys/kern/subr_param.c
index e6b76f977e11..e891b3477b2e 100644
--- a/sys/kern/subr_param.c
+++ b/sys/kern/subr_param.c
@@ -153,6 +153,7 @@ static const char *const vm_guest_sysctl_names[] = {
 	"none",
 	"generic",
 	"xen",
+	"hv",
 	NULL
 };