diff --git a/pkgs/tools/networking/radvd/default.nix b/pkgs/tools/networking/radvd/default.nix
index 31351436d943..14d0d99119dc 100644
--- a/pkgs/tools/networking/radvd/default.nix
+++ b/pkgs/tools/networking/radvd/default.nix
@@ -1,15 +1,16 @@
 { stdenv, fetchurl, bison, flex }:
 
 stdenv.mkDerivation rec {
-  name = "radvd-1.7";
+  name = "radvd-1.8.1";
   
   src = fetchurl {
     url = "http://www.litech.org/radvd/dist/${name}.tar.gz";
-    sha256 = "04rlz5fhparridjm32wcq9h1s3vxyiac7d3l6cvfgrlxixikgrzq";
+    sha256 = "1sg3halppbz3vwr88lbcdv7mndzwl4nkqnrafkyf2a248wwz2cbc";
   };
 
   buildInputs = [ bison flex ];
 
   meta.homepage = http://www.litech.org/radvd/;
   meta.description = "IPv6 Router Advertisement Daemon";
+  meta.platforms = stdenv.lib.platforms.linux;
 }