1 files changed, 4 insertions, 2 deletions

diff --git a/session.c b/session.c
index 96a2d3b52..abf3ef346 100644
--- a/session.c
+++ b/session.c
@@ -169,7 +169,8 @@ do_authenticated(struct passwd * pw)
          * authentication.
          */
         alarm(0);
-        close(startup_pipe);
+        if (startup_pipe != -1)
+                close(startup_pipe);
 
         /*
          * Inform the channel mechanism that we are the server side and that
@@ -1792,7 +1793,8 @@ do_authenticated2(void)
          * authentication.
          */
         alarm(0);
-        close(startup_pipe);
+        if (startup_pipe != -1)
+                close(startup_pipe);
         server_loop2();
         if (xauthfile)
                 xauthfile_cleanup_proc(NULL);