1 files changed, 2 insertions, 1 deletions

diff --git a/channels.c b/channels.c
index 239e9dd83..9642a56ee 100644
--- a/channels.c
+++ b/channels.c
@@ -1422,7 +1422,8 @@ channel_handle_rfd(Channel *c, fd_set *readset, fd_set *writeset)
 #ifndef PTY_ZEROREAD
                 if (len <= 0) {
 #else
-                if (len < 0 || (len == 0 && errno != 0)) {
+                if ((!c->isatty && len <= 0) ||
+                    (c->isatty && (len < 0 || (len == 0 && errno != 0)))) {
 #endif
                         debug2("channel %d: read<=0 rfd %d len %d",
                             c->self, c->rfd, len);