diff --git a/ext/tk/ChangeLog.tkextlib b/ext/tk/ChangeLog.tkextlib
index 75966a85b6..94f05c230e 100644
--- a/ext/tk/ChangeLog.tkextlib
+++ b/ext/tk/ChangeLog.tkextlib
@@ -1,3 +1,7 @@
+2005-03-05  Hidetoshi NAGAI  <nagai@ai.kyutech.ac.jp>
+
+	* ext/tk/lib/tkextlib/tile.rb: lack of "autoload TProgressbar"
+
 2005-03-05  Hidetoshi NAGAI  <nagai@ai.kyutech.ac.jp>
 
 	* ext/tk/lib/tkextlib/tile.rb: support tile-0.6
diff --git a/ext/tk/lib/tkextlib/tile.rb b/ext/tk/lib/tkextlib/tile.rb
index e93fcb9c19..1c3e6a715d 100644
--- a/ext/tk/lib/tkextlib/tile.rb
+++ b/ext/tk/lib/tkextlib/tile.rb
@@ -84,6 +84,8 @@ module Tk
 
     autoload :TNotebook,     'tkextlib/tile/tnotebook'
 
+    autoload :TProgressbar,  'tkextlib/tile/tprogressbar'
+
     autoload :TRadioButton,  'tkextlib/tile/tradiobutton'
     autoload :TRadiobutton,  'tkextlib/tile/tradiobutton'