diff --git a/ChangeLog b/ChangeLog
index 2f18d63dff..d0b8df3bfd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Dec 24 13:43:34 2003  Shugo Maeda  <shugo@ruby-lang.org>
+
+	* lib/net/imap.rb (authenticate): remove "\n" from base64 encoded
+	strings.
+
 Wed Dec 24 11:26:41 2003  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* test/fileutils/test_fileutils.rb: should not create any
diff --git a/lib/net/imap.rb b/lib/net/imap.rb
index 475c2ad0de..086717b97e 100644
--- a/lib/net/imap.rb
+++ b/lib/net/imap.rb
@@ -350,7 +350,7 @@ module Net # :nodoc:
       send_command("AUTHENTICATE", auth_type) do |resp|
 	if resp.instance_of?(ContinuationRequest)
 	  data = authenticator.process(resp.data.text.unpack("m")[0])
-	  send_data([data].pack("m").chomp)
+	  send_data([data].pack("m").gsub(/\n/, ""))
 	end
       end
     end