diff --git a/ChangeLog b/ChangeLog
index a61dac11fc..9ac1972b5a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+1998-09-14  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
+
+	* io/pwd.c: Include <mcheck.h>.
+
 1998-09-15 08:00  Ulrich Drepper  <drepper@cygnus.com>
 
 	* nscd/pwdcache.c (save_pwd): Correct copying.
diff --git a/io/pwd.c b/io/pwd.c
index 8dbd958762..c4d3a5f62c 100644
--- a/io/pwd.c
+++ b/io/pwd.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -16,6 +16,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#include <mcheck.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>