diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index 1540db65241a6fd4d96b00546f13a3e3d3cd1815..d3e1a9af478b0b243dedbe200cf8b4bc0430797b 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -1081,6 +1081,7 @@ static struct pernet_operations fou_net_ops = {
 	.exit = fou_exit_net,
 	.id   = &fou_net_id,
 	.size = sizeof(struct fou_net),
+	.async = true,
 };
 
 static int __init fou_init(void)