diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index d46694c1e..d98279452 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,3 +1,7 @@
+2006-04-06  Dimitri Papadopoulos  <papadopo@users.sourceforge.net>
+
+	* include/w32api.h (WindowsVista): Define.
+
 2006-04-06  Dimitri Papadopoulos  <papadopo@users.sourceforge.net>
 
 	* include/iptypes.h (IP_ADAPTER_*): Define parts that depend
diff --git a/winsup/w32api/include/w32api.h b/winsup/w32api/include/w32api.h
index 5fb55644b..745e0117c 100644
--- a/winsup/w32api/include/w32api.h
+++ b/winsup/w32api/include/w32api.h
@@ -19,16 +19,17 @@
 
 /* Use these values to set _WIN32_WINDOWS and WINVER to your minimum support 
  * level */
-#define Windows95   0x0400
-#define Windows98   0x0410
-#define WindowsME   0x0500
+#define Windows95    0x0400
+#define Windows98    0x0410
+#define WindowsME    0x0500
 
 /* Use these values to set _WIN32_WINNT and WINVER to your mimimum support 
  * level. */
-#define WindowsNT4  0x0400
-#define Windows2000 0x0500
-#define WindowsXP   0x0501
-#define Windows2003 0x0502
+#define WindowsNT4   0x0400
+#define Windows2000  0x0500
+#define WindowsXP    0x0501
+#define Windows2003  0x0502
+#define WindowsVista 0x0600
 
 /* Use these values to set _WIN32_IE to your minimum support level */
 #define IE3	0x0300