diff --git a/pkgs/development/libraries/libmspack/default.nix b/pkgs/development/libraries/libmspack/default.nix
index d02217afd3e..a49cd95822f 100644
--- a/pkgs/development/libraries/libmspack/default.nix
+++ b/pkgs/development/libraries/libmspack/default.nix
@@ -3,7 +3,10 @@
 stdenv.mkDerivation {
   name = "libmspack-0.4alpha";
   src = fetchurl {
-    url = http://www.cabextract.org.uk/libmspack/libmspack-0.4alpha.tar.gz;
+    # upstream url: "curl: (22) The requested URL returned error: 406 Not Acceptable"
+    #url = http://www.cabextract.org.uk/libmspack/libmspack-0.4alpha.tar.gz;
+    url = "http://pkgs.fedoraproject.org/lookaside/pkgs/libmspack/"
+      + "libmspack-0.4alpha.tar.gz/1ab10b507259993c74b4c41a88103b59/libmspack-0.4alpha.tar.gz";
     sha256 = "0s2w5zxx9cw7445cx9ap59ky5n7r201551zg906w9ghcys1qk5dp";
   };