1 files changed, 3 insertions, 2 deletions

diff --git a/st.c b/st.c
index ebdf360..a9338e1 100644
--- a/st.c
+++ b/st.c
@@ -793,14 +793,15 @@ ttynew(const char *line, char *cmd, const char *out, char **args)
                 break;
         case 0:
                 close(iofd);
+                close(m);
                 setsid(); /* create a new process group */
                 dup2(s, 0);
                 dup2(s, 1);
                 dup2(s, 2);
                 if (ioctl(s, TIOCSCTTY, NULL) < 0)
                         die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
-                close(s);
-                close(m);
+                if (s > 2)
+                        close(s);
 #ifdef __OpenBSD__
                 if (pledge("stdio getpw proc exec", NULL) == -1)
                         die("pledge\n");