diff --git a/include/ncurses_mingw.h b/include/ncurses_mingw.h
index 2bbad76..8b11272 100644
--- a/include/ncurses_mingw.h
+++ b/include/ncurses_mingw.h
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2014 Free Software Foundation, Inc.              *
+ * Copyright 2018-2020,2021 Thomas E. Dickey                                *
+ * Copyright 2008-2014,2017 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            *
@@ -27,18 +28,17 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Author: Juergen Pfeifer, 2008-on                                         * 
- *                                                                          *
+ * Author: Juergen Pfeifer, 2008-on                                         *
  ****************************************************************************/
 
-/* $Id: ncurses_mingw.h,v 1.3 2014/05/03 19:40:19 juergen Exp $ */
+/* $Id: ncurses_mingw.h,v 1.7 2021/06/17 21:26:02 tom Exp $ */
 
 /*
  * This is a placeholder up to now and describes what needs to be implemented
  * to support I/O to external terminals with ncurses on the Windows OS.
  */
 
-#if __MINGW32__
+#ifdef _WIN32
 #ifndef _NC_MINGWH
 #define _NC_MINGWH
 
@@ -67,16 +67,16 @@
 };
 
 extern NCURSES_EXPORT(int)  _nc_mingw_tcsetattr(
-    int fd, 
-    int optional_actions, 
+    int fd,
+    int optional_actions,
     const struct termios* arg);
 extern NCURSES_EXPORT(int)  _nc_mingw_tcgetattr(
-    int fd, 
+    int fd,
     struct termios* arg);
 extern NCURSES_EXPORT(int)  _nc_mingw_tcflush(
-    int fd, 
+    int fd,
     int queue);
 extern NCURSES_EXPORT(void) _nc_set_term_driver(void* term);
 
 #endif /* _NC_MINGWH */
-#endif /* __MINGW32__ */
+#endif /* _WIN32 */