1 files changed, 3 insertions, 1 deletions

diff --git a/serverloop.c b/serverloop.c
index 79bdf77ba..58e901de8 100644
--- a/serverloop.c
+++ b/serverloop.c
@@ -402,7 +402,9 @@ server_loop(pid_t pid, int fdin_arg, int fdout_arg, int fderr_arg)
         /* nonblocking IO */
         set_nonblock(fdin);
         set_nonblock(fdout);
-        set_nonblock(fderr);
+        /* we don't have stderr for interactive terminal sessions, see below */
+        if (fderr != -1)
+                set_nonblock(fderr);
 
         connection_in = packet_get_connection_in();
         connection_out = packet_get_connection_out();