diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index beb4663d4..88cec4ccb 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,3 +1,8 @@
+2012-08-01  Earnie Boyd  <earnie@users.sourceforge.net>
+
+	* include/winuser.h (tagMENUITEMINFOA): Correct dwItemData definition.
+	(tagMENUITEMINFOW): Ditto.
+
 2012-07-29  Earnie Boyd  <earnie@users.sourceforge.net>
 
 	* include/sdkddkver.h: New file.
diff --git a/winsup/w32api/include/winuser.h b/winsup/w32api/include/winuser.h
index 7fb6fe224..76f493584 100644
--- a/winsup/w32api/include/winuser.h
+++ b/winsup/w32api/include/winuser.h
@@ -2771,7 +2771,7 @@ typedef struct tagMENUITEMINFOA {
 	HMENU hSubMenu;
 	HBITMAP hbmpChecked;
 	HBITMAP hbmpUnchecked;
-	DWORD dwItemData;
+	ULONG_PTR dwItemData;
 	LPSTR dwTypeData;
 	UINT cch;
 #if (_WIN32_WINNT >= 0x0500)
@@ -2788,7 +2788,7 @@ typedef struct tagMENUITEMINFOW {
 	HMENU hSubMenu;
 	HBITMAP hbmpChecked;
 	HBITMAP hbmpUnchecked;
-	DWORD dwItemData;
+	ULONG_PTR dwItemData;
 	LPWSTR dwTypeData;
 	UINT cch;
 #if (_WIN32_WINNT >= 0x0500)