diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 5a0e456b5d5897ff490d3f26748b49bd34785329..39bd1edee67649af86eb582c0ea478713360a506 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -1130,7 +1130,8 @@ static void fib_disable_ip(struct net_device *dev, unsigned long event,
 {
 	if (fib_sync_down_dev(dev, event, force))
 		fib_flush(dev_net(dev));
-	rt_cache_flush(dev_net(dev));
+	else
+		rt_cache_flush(dev_net(dev));
 	arp_ifdown(dev);
 }