diff --git a/sys/netlink/route/route.h b/sys/netlink/route/route.h
index 9247a59855b..1d4149e23d2 100644
--- a/sys/netlink/route/route.h
+++ b/sys/netlink/route/route.h
@@ -282,8 +282,8 @@ struct rtvia {
 	NL_RTAX_RTO_MIN			= 13, /* not supported */
 	NL_RTAX_INITRWND		= 14, /* not supported */
 	NL_RTAX_QUICKACK		= 15, /* not supported */
-	NL_RTAX_CC_ALGO			= 15, /* not supported */
-	NL_RTAX_FASTOPEN_NO_COOKIE	= 16, /* not supported */
+	NL_RTAX_CC_ALGO			= 16, /* not supported */
+	NL_RTAX_FASTOPEN_NO_COOKIE	= 17, /* not supported */
 	__NL_RTAX_MAX
 };
 #define NL_RTAX_MAX (__NL_RTAX_MAX - 1)