diff --git a/pkgs/applications/audio/beast/default.nix b/pkgs/applications/audio/beast/default.nix
index 3997855a75b..7113a169e80 100644
--- a/pkgs/applications/audio/beast/default.nix
+++ b/pkgs/applications/audio/beast/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, zlib, guile, libart_lgpl, pkgconfig, intltool
 , gtk, glib, libogg, libvorbis, libgnomecanvas, gettext, perl }:
 
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "beast-0.7.1";
 
   src = fetchurl {
-    url = ftp://beast.gtk.org/pub/beast/v0.7/beast-0.7.1.tar.bz2;
+    url = "http://ftp.gtk.org/pub/beast/v0.7/${name}.tar.bz2";
     sha256 = "0jyl1i1918rsn4296w07fsf6wx3clvad522m3bzgf8ms7gxivg5l";
   };