diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index d98279452..cd4dc7ee4 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,3 +1,8 @@
+2006-04-06  Dimitri Papadopoulos  <papadopo@users.sourceforge.net>
+
+	* include/w32api.h (_W32API_H): Define.
+	Define in addition to _W32API_H_, this is the w32api standard.
+
 2006-04-06  Dimitri Papadopoulos  <papadopo@users.sourceforge.net>
 
 	* include/w32api.h (WindowsVista): Define.
diff --git a/winsup/w32api/include/w32api.h b/winsup/w32api/include/w32api.h
index 745e0117c..f49d28eac 100644
--- a/winsup/w32api/include/w32api.h
+++ b/winsup/w32api/include/w32api.h
@@ -1,4 +1,5 @@
-#ifndef _W32API_H_
+#ifndef _W32API_H
+#define _W32API_H
 #define _W32API_H_
 #if __GNUC__ >=3
 #pragma GCC system_header
@@ -45,4 +46,4 @@
 #define IE56	0x0560
 #define IE6	0x0600
 
-#endif /* ndef _W32API_H_ */
+#endif /* ndef _W32API_H */