diff --git a/ChangeLog b/ChangeLog
index 6a234b3539..7c4ece3bdd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-02-19  Theppitak Karoonboonyanan  <thep@linux.thai.net>
+
+	* modules/input/gtkimcontextthai.c (is_context_lost_key): Revert the
+	unapproved patch for bug 457086.
+
 2009-02-18  Matthias Clasen  <mclasen@redhat.com>
 
 	* gdk/x11/gdkscreen-x11.c (init_randr13): Ignore disconnected outputs,
diff --git a/modules/input/gtkimcontextthai.c b/modules/input/gtkimcontextthai.c
index 640c013c5f..0b2d6b6b58 100644
--- a/modules/input/gtkimcontextthai.c
+++ b/modules/input/gtkimcontextthai.c
@@ -122,7 +122,7 @@ is_context_lost_key(guint keyval)
           keyval == GDK_Escape ||
           keyval == GDK_Delete ||
           (GDK_Home <= keyval && keyval <= GDK_Begin) || /* IsCursorkey */
-          (GDK_KP_Space <= keyval && keyval <= GDK_KP_Delete) || /* IsKeypadKey, non-chars only */
+          (GDK_KP_Space <= keyval && keyval <= GDK_KP_Equal) || /* IsKeypadKey */
           (GDK_Select <= keyval && keyval <= GDK_Break) || /* IsMiscFunctionKey */
           (GDK_F1 <= keyval && keyval <= GDK_F35)); /* IsFunctionKey */
 }