diff --git a/src/buffer b/src/buffer
index f89f64d..99adb71 160000
--- a/src/buffer
+++ b/src/buffer
@@ -1 +1 @@
-Subproject commit f89f64d0a194136721ad2b4bf1811fe48533cdf5
+Subproject commit 99adb71b0bd8cb2c09fd41e52334a9bcf8831327
diff --git a/src/rtty.c b/src/rtty.c
index 0a8ac9b..1c79c53 100644
--- a/src/rtty.c
+++ b/src/rtty.c
@@ -348,10 +348,10 @@ static void on_net_read(struct ev_loop *loop, struct ev_io *w, int revents)
 
 #if RTTY_SSL_SUPPORT
     if (rtty->ssl)
-        ret = buffer_put_fd_ex(&rtty->rb, w->fd, -1, &eof, rtty_ssl_read, rtty->ssl);
+        ret = buffer_put_fd_ex(&rtty->rb, w->fd, 4096, &eof, rtty_ssl_read, rtty->ssl);
     else
 #endif
-        ret = buffer_put_fd(&rtty->rb, w->fd, -1, &eof);
+        ret = buffer_put_fd(&rtty->rb, w->fd, 4096, &eof);
     if (ret < 0) {
         log_err("socket read error: %s\n", strerror (errno));
         return;