1 files changed, 1 insertions, 1 deletions

diff --git a/channels.c b/channels.c
index 64c1ce76d..7f0aaadf6 100644
--- a/channels.c
+++ b/channels.c
@@ -239,7 +239,7 @@ channel_register_fds(Channel *c, int rfd, int wfd, int efd,
 
         if ((c->isatty = is_tty) != 0)
                 debug2("channel %d: rfd %d isatty", c->self, c->rfd);
-        c->wfd_isatty = isatty || isatty(c->wfd);
+        c->wfd_isatty = is_tty || isatty(c->wfd);
 
         /* enable nonblocking mode */
         if (nonblock) {