diff --git a/example-cdc-gnu-linux/usb-cdc.c b/example-cdc-gnu-linux/usb-cdc.c
index ebebf68..e1109b7 100644
--- a/example-cdc-gnu-linux/usb-cdc.c
+++ b/example-cdc-gnu-linux/usb-cdc.c
@@ -904,15 +904,15 @@ tty_recv (struct tty *t, char *buf, uint32_t *timeout)
       chopstx_mutex_lock (&t->mtx);
       r = check_rx (t);
       chopstx_mutex_unlock (&t->mtx);
-      if (r || (timeout != NULL && *timeout == 0))
+      if (r)
+	break;
+      else if (timeout != NULL && *timeout == 0)
 	{
+	  int i;
+
 	  /* Cancel the input.	*/
 	  for (i = 0; i < t->inputline_len; i++)
-	    {
-	      tty_echo_char (t, 0x08);
-	      tty_echo_char (t, 0x20);
-	      tty_echo_char (t, 0x08);
-	    }
+	    tty_send (t, "\x08\x20\x08", 3);
 	  t->inputline_len = 0;
 	  break;
 	}