Index: head/sys/net/route.c
===================================================================
--- head/sys/net/route.c
+++ head/sys/net/route.c
@@ -1781,8 +1781,9 @@
 
 	/* Check if outgoing interface has changed */
 	if (info->rti_ifa != NULL && info->rti_ifa != rt->rt_ifa &&
-	    rt->rt_ifa != NULL && rt->rt_ifa->ifa_rtrequest != NULL) {
-		rt->rt_ifa->ifa_rtrequest(RTM_DELETE, rt, info);
+	    rt->rt_ifa != NULL) {
+		if (rt->rt_ifa->ifa_rtrequest != NULL)
+			rt->rt_ifa->ifa_rtrequest(RTM_DELETE, rt, info);
 		ifa_free(rt->rt_ifa);
 	}
 	/* Update gateway address */