diff --git a/ChangeLog b/ChangeLog
index 32cde22a03..bb2e397473 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Aug  4 14:41:25 2008  URABE Shyouhei  <shyouhei@ruby-lang.org>
+
+	* lib/net/smtp.rb (Net::SMTP::rcptto): fix a typo. a patch from
+	  Masao Takaku <masao at nii.ac.jp>
+	  fix [ruby-dev:35489].
+
 Mon Aug  4 14:08:55 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* marshal.c (dump_ensure), process.c (run_exec_dup2),
diff --git a/lib/net/smtp.rb b/lib/net/smtp.rb
index 5cce6cc50c..b58e73029b 100644
--- a/lib/net/smtp.rb
+++ b/lib/net/smtp.rb
@@ -837,7 +837,7 @@ module Net
 
     def rcptto(to_addr)
       if $SAFE > 0
-        raise SecurityError, 'tainted to_addr' if to.tainted?
+        raise SecurityError, 'tainted to_addr' if to_addr.tainted?
       end
       getok("RCPT TO:<#{to_addr}>")
     end