1 files changed, 4 insertions, 1 deletions
diff --git a/src/sum.c b/src/sum.c
index cadcee007..b012182c8 100644
--- a/src/sum.c
+++ b/src/sum.c
@@ -1,5 +1,5 @@
 /* sum -- checksum and count the blocks in a file
-   Copyright (C) 86, 89, 91, 1995-1999 Free Software Foundation, Inc.
+   Copyright (C) 86, 89, 91, 1995-2000 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -25,6 +25,7 @@
 #include <sys/types.h>
 #include <getopt.h>
 #include "system.h"
+#include "closeout.h"
 #include "error.h"
 #include "safe-read.h"
 
@@ -213,6 +214,8 @@ main (int argc, char **argv)
   bindtextdomain (PACKAGE, LOCALEDIR);
   textdomain (PACKAGE);
 
+  atexit (close_stdout);
+
   have_read_stdin = 0;
 
   while ((optc = getopt_long (argc, argv, "rs", longopts, NULL)) != -1)