diff --git a/ChangeLog b/ChangeLog
index e846e7abae..183a1640ce 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Mar 22 14:14:21 2002  Tanaka Akira  <akr@m17n.org>
+
+	* lib/resolv.rb: fix arguments to create exceptions.
+	  Patch from matt@lickey.com.  (ruby-bugs:PR#278)
+
 Fri Mar 22 13:51:11 2002  Akinori MUSHA  <knu@iDaemons.org>
 
 	* ext/bigfloat/.cvsignore, ext/bigfloat/MANIFEST: BigFloat 1.1.8
diff --git a/lib/resolv.rb b/lib/resolv.rb
index 9bcc6eae19..f06b18dc90 100644
--- a/lib/resolv.rb
+++ b/lib/resolv.rb
@@ -438,9 +438,9 @@ class Resolv
             extract_resources(reply, reply_name, typeclass, &proc)
 	    return
           when RCode::NXDomain
-            raise Config::NXDomain.new(reply_name)
+            raise Config::NXDomain.new(reply_name.to_s)
           else
-            raise Config::OtherResolvError.new(reply_name)
+            raise Config::OtherResolvError.new(reply_name.to_s)
           end
         }
       ensure