diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index 159ec8321..71b40e2c8 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,3 +1,11 @@
+2010-07-20  Ozkan Sezer  <sezero@users.sourceforge.net>
+
+	* include/commctrl.h (LVIF_GROUPID): Fix definition.
+
+2010-07-20  Michael James  <james.me@gmail.com>
+
+	* include/commctrl.h (LVIF_COLUMNS): Fix definition.
+
 2010-07-17  Chris Sutcliffe  <ir0nh34d@users.sourceforge.net>
 
 	* include/winnt.h (HEAP_MAKE_TAG_FLAGS, VALID_INHERIT_FLAGS): Correct
diff --git a/winsup/w32api/include/commctrl.h b/winsup/w32api/include/commctrl.h
index 8456d3c58..05353ee36 100644
--- a/winsup/w32api/include/commctrl.h
+++ b/winsup/w32api/include/commctrl.h
@@ -1055,8 +1055,8 @@ extern "C" {
 #define LVIF_NORECOMPUTE 2048
 #endif
 #if (_WIN32_WINNT >= 0x0501)
-#define LVIF_GROUPID 128
-#define LVIF_COLUMNS 256
+#define LVIF_GROUPID 256
+#define LVIF_COLUMNS 512
 #endif
 #define LVIS_FOCUSED	1
 #define LVIS_SELECTED	2