diff --git a/src/unix/tty.c b/src/unix/tty.c
index 2385911c..ff7d3b17 100644
--- a/src/unix/tty.c
+++ b/src/unix/tty.c
@@ -139,7 +139,7 @@ int uv_tty_init(uv_loop_t* loop, uv_tty_t* tty, int fd, int unused) {
      * slave device.
      */
     if (uv__tty_is_slave(fd) && ttyname_r(fd, path, sizeof(path)) == 0)
-      r = uv__open_cloexec(path, mode);
+      r = uv__open_cloexec(path, mode | O_NOCTTY);
     else
       r = -1;