diff --git a/ChangeLog b/ChangeLog
index ab6763ed44..0720235b36 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Fri Apr 18 16:36:16 2008  Akinori MUSHA  <knu@iDaemons.org>
+
+	* lib/rexml/node.rb (REXML::Node::indent): should initialize rv
+	  variable.  a patch from Tadayoshi Funaba <tadf AT dotrb.org> in 
+	  [ruby-dev:32783].
+
 Fri Apr 18 16:01:37 2008  Akinori MUSHA  <knu@iDaemons.org>
 
 	* lib/rexml: Merge fixes since 1.8.6 made solely on the ruby_1_8_6
diff --git a/lib/rexml/node.rb b/lib/rexml/node.rb
index 9780376829..d5e8456e53 100644
--- a/lib/rexml/node.rb
+++ b/lib/rexml/node.rb
@@ -27,7 +27,7 @@ module REXML
       unless indent.nil?
         Kernel.warn( "#{self.class.name}.to_s(indent) parameter is deprecated" )
         f = REXML::Formatters::Pretty.new( indent )
-        f.write( self, rv, indent )
+        f.write( self, rv = "" )
       else
         f = REXML::Formatters::Default.new
         f.write( self, rv = "" )