1 files changed, 5 insertions, 1 deletions
diff --git a/ext/tk/lib/tkextlib/tile/tprogressbar.rb b/ext/tk/lib/tkextlib/tile/tprogressbar.rb
index f01aeb641b..3f47cd9b8b 100644
--- a/ext/tk/lib/tkextlib/tile/tprogressbar.rb
+++ b/ext/tk/lib/tkextlib/tile/tprogressbar.rb
@@ -7,7 +7,7 @@ require 'tkextlib/tile.rb'
 
 module Tk
   module Tile
-    class TProgressbar < TkWidget
+    class TProgressbar < TkWindow
     end
   end
 end
@@ -23,6 +23,10 @@ class Tk::Tile::TProgressbar
   WidgetClassName = 'TProgressbar'.freeze
   WidgetClassNames[WidgetClassName] = self
 
+  def self.style(*args)
+    [self::WidgetClassName, *(args.map!{|a| _get_eval_string(a)})].join('.')
+  end
+
   def step
     tk_send_without_enc('step').to_f
   end