diff --git a/ospfd/ospf_packet.c b/ospfd/ospf_packet.c
index 1c1a1e6..994d362 100644
--- a/ospfd/ospf_packet.c
+++ b/ospfd/ospf_packet.c
@@ -2067,7 +2067,7 @@
   
   ip_len = iph->ip_len;
   
-#if !defined(GNU_LINUX) && (OpenBSD < 200311)
+#if !defined(GNU_LINUX) && (OpenBSD < 200311) && (__FreeBSD_version < 1000000)
   /*
    * Kernel network code touches incoming IP header parameters,
    * before protocol specific processing.