diff --git a/ChangeLog b/ChangeLog
index f28439c9be..ba05ae44de 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,11 @@
+Sun Feb 11 22:11:05 2007  Kouhei Sutou  <kou@cozmixng.org>
+
+	* lib/rss/xml-stylesheet.rb (RSS::XMLStyleSheet#initialize):
+	kept backward compatibility.
+
 Sun Feb 11 22:10:08 2007  Kouhei Sutou  <kou@cozmixng.org>
 
-	* lib/rss/parser.rb (RSS::ListenerMixin::start_else_element): used
+	* lib/rss/parser.rb (RSS::ListenerMixin#start_else_element): used
 	const_defined? instead of constants.include?.
 
 Sun Feb 11 18:47:14 2007  Masaki Suketa  <masaki.suketa@nifty.ne.jp>
diff --git a/lib/rss/xml-stylesheet.rb b/lib/rss/xml-stylesheet.rb
index 66e3161dd0..559d6bcd56 100644
--- a/lib/rss/xml-stylesheet.rb
+++ b/lib/rss/xml-stylesheet.rb
@@ -35,6 +35,10 @@ module RSS
     attr_accessor(*ATTRIBUTES)
     attr_accessor(:do_validate)
     def initialize(*attrs)
+      if attrs.size == 1 and
+          (attrs.first.is_a?(Hash) or attrs.first.is_a?(Array))
+        attrs = attrs.first
+      end
       @do_validate = true
       ATTRIBUTES.each do |attr|
         __send__("#{attr}=", nil)