diff --git a/pkgs/tools/compression/lzma/default.nix b/pkgs/tools/compression/lzma/default.nix
index bcc649e073df..13de50fafcf1 100644
--- a/pkgs/tools/compression/lzma/default.nix
+++ b/pkgs/tools/compression/lzma/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "lzma-4.32.7";
   
   src = fetchurl {
-    url = http://tukaani.org/lzma/lzma-4.32.7.tar.gz;
+    url = mirror://gentoo/distfiles/lzma-4.32.7.tar.gz;
     sha256 = "0b03bdvm388kwlcz97aflpr3ir1zpa3m0bq3s6cd3pp5a667lcwz";
   };