diff --git a/ncurses/win32con/gettimeofday.c b/ncurses/win32con/gettimeofday.c
index 867041f..603a6f4 100644
--- a/ncurses/win32con/gettimeofday.c
+++ b/ncurses/win32con/gettimeofday.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 2008-2010,2014 Free Software Foundation, Inc.              *
+ * Copyright 2020,2023 Thomas E. Dickey                                     *
+ * Copyright 2008-2010,2014 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -35,11 +36,12 @@
 
 #include <windows.h>
 
-MODULE_ID("$Id: gettimeofday.c,v 1.3 2014/04/26 19:41:34 juergen Exp $")
+MODULE_ID("$Id: gettimeofday.c,v 1.7 2023/02/25 20:05:36 tom Exp $")
 
+#if HAVE_GETTIMEOFDAY == 2
 #define JAN1970 116444736000000000LL	/* the value for 01/01/1970 00:00 */
 
-int
+NCURSES_EXPORT(int)
 gettimeofday(struct timeval *tv, void *tz GCC_UNUSED)
 {
     union {
@@ -52,3 +54,4 @@
     tv->tv_sec = (long) ((data.since1601 - JAN1970) / 10000000LL);
     return (0);
 }
+#endif // HAVE_GETTIMEOFDAY == 2