1 files changed, 6 insertions, 2 deletions
diff --git a/ext/tk/lib/tkextlib/tile/tpaned.rb b/ext/tk/lib/tkextlib/tile/tpaned.rb
index 11178b19d3..2a2a25ea59 100644
--- a/ext/tk/lib/tkextlib/tile/tpaned.rb
+++ b/ext/tk/lib/tkextlib/tile/tpaned.rb
@@ -9,7 +9,7 @@ module Tk
   module Tile
     class TPaned < TkWindow
     end
-    Paned = TPaned
+    PanedWindow = Panedwindow = Paned = TPaned
   end
 end
 
@@ -17,7 +17,11 @@ class Tk::Tile::TPaned < TkWindow
   include Tk::Tile::TileWidget
 
   if Tk::Tile::USE_TTK_NAMESPACE
-    TkCommandNames = ['::ttk::paned'.freeze].freeze
+    if Tk::Tile::TILE_SPEC_VERSION_ID < 8
+      TkCommandNames = ['::ttk::paned'.freeze].freeze
+    else
+      TkCommandNames = ['::ttk::panedwindow'.freeze].freeze
+    end
   else
     TkCommandNames = ['::tpaned'.freeze].freeze
   end