diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index da6d5a3f539953314c6b3f3e19ec21b830310919..868d7da7a0cb3276b0001ad4b3253c5e4bf6550e 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1873,6 +1873,7 @@ 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;
 }