1 files changed, 5 insertions, 5 deletions
diff --git a/ext/tk/lib/tkextlib/tkimg/window.rb b/ext/tk/lib/tkextlib/tkimg/window.rb
index 229445dd4..00ed7d1b8 100644
--- a/ext/tk/lib/tkextlib/tkimg/window.rb
+++ b/ext/tk/lib/tkextlib/tkimg/window.rb
@@ -17,11 +17,11 @@ module Tk
   module Img
     module WINDOW
       def self.package_version
-	begin
-	  TkPackage.require('img::window')
-	rescue
-	  ''
-	end
+        begin
+          TkPackage.require('img::window')
+        rescue
+          ''
+        end
       end
     end
   end