diff --git a/reactos/ChangeLog b/reactos/ChangeLog
index a8e6b25163b..c612461338a 100644
--- a/reactos/ChangeLog
+++ b/reactos/ChangeLog
@@ -1,3 +1,8 @@
+2003-06-27  Casper S. Hornstrup  <chorns@users.sourceforge.net>
+
+	* lib/user32/controls/button.c (ButtonWndProc_comm): Fix unsigned/signed
+	warning.
+
 2003-06-07  Casper S. Hornstrup  <chorns@users.sourceforge.net>
 
 	* include/ddk/dbgfuncs.h: Move ...
diff --git a/reactos/lib/user32/controls/button.c b/reactos/lib/user32/controls/button.c
index ec437309482..612003be127 100644
--- a/reactos/lib/user32/controls/button.c
+++ b/reactos/lib/user32/controls/button.c
@@ -1,4 +1,4 @@
-/* $Id: button.c,v 1.3 2003/06/23 10:10:51 rcampbell Exp $
+/* $Id: button.c,v 1.4 2003/06/27 17:49:07 chorns Exp $
  *
  * COPYRIGHT:        See COPYING in the top level directory
  * PROJECT:          ReactOS User32
@@ -399,7 +399,7 @@ static LRESULT WINAPI ButtonWndProc_common(HWND hWnd, UINT uMsg,
             else style &= ~WS_TABSTOP;
             SetWindowLongA( hWnd, GWL_STYLE, style );
         }
-        if ((state & 3) != wParam)
+        if (((WPARAM) state & 3) != wParam)
         {
             set_button_state( hWnd, (state & ~3) | wParam );
             paint_button( hWnd, btn_type, ODA_SELECT );