diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 2e55f9894548..c5b60190b1db 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1856,6 +1856,7 @@ static int __net_init sit_init_net(struct net *net)
 
 err_reg_dev:
 	ipip6_dev_free(sitn->fb_tunnel_dev);
+	free_netdev(sitn->fb_tunnel_dev);
 err_alloc_dev:
 	return err;
 }