diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c
index 1056e688bda..564a54f15fc 100644
--- a/sys/netinet6/nd6.c
+++ b/sys/netinet6/nd6.c
@@ -145,7 +145,7 @@ static int nd6_need_cache(struct ifnet *);
 VNET_DEFINE_STATIC(struct callout, nd6_slowtimo_ch);
 #define	V_nd6_slowtimo_ch		VNET(nd6_slowtimo_ch)
 
-VNET_DEFINE(struct callout, nd6_timer_ch);
+VNET_DEFINE_STATIC(struct callout, nd6_timer_ch);
 #define	V_nd6_timer_ch			VNET(nd6_timer_ch)
 
 static void