diff --git a/pkgs/tools/text/xml/sablotron/default.nix b/pkgs/tools/text/xml/sablotron/default.nix
index aeb07d451bf2..131bf3ae68c1 100644
--- a/pkgs/tools/text/xml/sablotron/default.nix
+++ b/pkgs/tools/text/xml/sablotron/default.nix
@@ -3,8 +3,8 @@
 stdenv.mkDerivation {
   name = "sablotron-1.0.3";
   src = fetchurl {
-    url = http://download-1.gingerall.cz/download/sablot/Sablot-1.0.3.tar.gz;
-    md5 = "72654c4b832e7562f8240ea675577f5e";
+    url = "mirror://sourceforge/project/sablotron/sablotron-1.0.3/Sablot-1.0.3.tar.gz";
+    sha256 = "0qpk3dlfp3bn2hbq0fzx1bzifv8cgqb9aicn59d303cdlynkgix0";
   };
   buildInputs = [expat];