diff --git a/sys/netinet6/ip6_input.c b/sys/netinet6/ip6_input.c
index d1d7c0c55e1e..bcb27e48aacc 100644
--- a/sys/netinet6/ip6_input.c
+++ b/sys/netinet6/ip6_input.c
@@ -116,7 +116,7 @@ __FBSDID("$FreeBSD$");
 
 #ifdef FLOWTABLE
 #include <net/flowtable.h>
-extern VNET_DEFINE(int, ip6_output_flowtable_size);
+extern int VNET_NAME(ip6_output_flowtable_size) __section(VNET_SETNAME);
 #define	V_ip6_output_flowtable_size	VNET(ip6_output_flowtable_size)
 #endif