diff --git a/src/net/neighbour.c b/src/net/neighbour.c
index f70896a1..7f66d999 100644
--- a/src/net/neighbour.c
+++ b/src/net/neighbour.c
@@ -322,7 +322,7 @@ int neighbour_tx ( struct io_buffer *iobuf, struct net_device *netdev,
 			netdev->name, net_protocol->name,
 			net_protocol->ntoa ( net_dest ) );
 		list_add_tail ( &iobuf->list, &neighbour->tx_queue );
-		return -EAGAIN;
+		return 0;
 	}
 }