diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c
index bf890437128..0e0682b7377 100644
--- a/sys/kern/kern_event.c
+++ b/sys/kern/kern_event.c
@@ -145,6 +145,7 @@ static struct filterops *sysfilt_ops[] = {
 	&proc_filtops,			/* EVFILT_PROC */
 	&sig_filtops,			/* EVFILT_SIGNAL */
 	&timer_filtops,			/* EVFILT_TIMER */
+	&file_filtops,			/* EVFILT_NETDEV */
 };
 
 static int