1 files changed, 3 insertions, 1 deletions
diff --git a/tests/test-ttyname_r.c b/tests/test-ttyname_r.c
index f1f663f4d8..980d14e5bd 100644
--- a/tests/test-ttyname_r.c
+++ b/tests/test-ttyname_r.c
@@ -55,7 +55,9 @@ main (void)
            );
   }
   {
-    int err = ttyname_r (99, buf, sizeof (buf));
+    int err;
+    close (99);
+    err = ttyname_r (99, buf, sizeof (buf));
     ASSERT (err == EBADF
             || err == ENOTTY /* seen on FreeBSD 6.4 */
            );