diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index 0322f02f3..223dd8ffd 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,3 +1,7 @@
+2002-05-27  Rick Rankin  <rick_rankin@yahoo.com>
+
+	* include/winnls.h: Add #define for LOCALE_RETURN_NUMBER.
+
 2002-05-21  Earnie Boyd  <earnie@users.sf.net>
 
 	* Makefile.in: Increment VERSION to 1.4.
diff --git a/winsup/w32api/include/winnls.h b/winsup/w32api/include/winnls.h
index 3933812b7..b39f80758 100644
--- a/winsup/w32api/include/winnls.h
+++ b/winsup/w32api/include/winnls.h
@@ -12,6 +12,9 @@ extern "C" {
 #define MAX_DEFAULTCHAR	2
 #define LOCALE_NOUSEROVERRIDE	0x80000000
 #define LOCALE_USE_CP_ACP	0x40000000
+#if (WINVER >= 0x0400)
+#define LOCALE_RETURN_NUMBER	0x20000000
+#endif
 #define LOCALE_ILANGUAGE	1
 #define LOCALE_SLANGUAGE	2
 #define LOCALE_SENGLANGUAGE	0x1001