diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,18 +1,6 @@
-Copyright 2008 by Audrey Tang
+To the extent possible under law, 唐鳳 has waived all copyright and
+related or neighboring rights to network-multicast.
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to
-deal in the Software without restriction, including without limitation the
-rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-sell copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-  
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-   
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+This work is published from Taiwan.
+
+<http://creativecommons.org/publicdomain/zero/1.0>
diff --git a/network-multicast.cabal b/network-multicast.cabal
--- a/network-multicast.cabal
+++ b/network-multicast.cabal
@@ -1,6 +1,6 @@
 name:               network-multicast
-version:            0.0.6
-copyright:          2008-2010 Audrey Tang
+version:            0.0.7
+copyright:          2008-2012 Audrey Tang
 license:            PublicDomain
 license-file:       LICENSE
 author:             Audrey Tang <audreyt@audreyt.org>
@@ -11,7 +11,7 @@
 stability:          experimental
 build-type:         Simple
 category:           Network
-cabal-version:      >= 1.2
+cabal-version:      >= 1.6
 extra-source-files: examples/sender.hs examples/receiver.hs
 
 library
@@ -21,3 +21,7 @@
     hs-source-dirs:     src
     if os(win32)
         extra-libraries: ws2_32
+
+source-repository head
+  type:     git
+  location: http://github.com/audreyt/network-multicast
diff --git a/src/Network/Multicast.hsc b/src/Network/Multicast.hsc
--- a/src/Network/Multicast.hsc
+++ b/src/Network/Multicast.hsc
@@ -53,9 +53,9 @@
 --
 multicastSender :: HostName -> PortNumber -> IO (Socket, SockAddr)
 multicastSender host port = do
+    addr  <- fmap (SockAddrInet port) (inet_addr host)
     proto <- getProtocolNumber "udp"
     sock  <- socket AF_INET Datagram proto
-    addr  <- fmap (SockAddrInet port) (inet_addr host)
     return (sock, addr)
 
 -- | Calling 'multicastReceiver' creates and binds a UDP socket for listening