diff --git a/pkgs/development/libraries/szip/default.nix b/pkgs/development/libraries/szip/default.nix
index 38cde3bfd707..159b8e6e8386 100644
--- a/pkgs/development/libraries/szip/default.nix
+++ b/pkgs/development/libraries/szip/default.nix
@@ -4,6 +4,6 @@ stdenv.mkDerivation {
     name = "szip-2.1";
     src = fetchurl {
         url = ftp://ftp.hdfgroup.org/lib-external/szip/2.1/src/szip-2.1.tar.gz;
-        sha256 = "05707lrdhwp8mv0dgzh2b6m2mwamv1z6k29m2v1v7pz0c1w2gb6z";
+        sha256 = "1vym7r4by02m0yqj10023xyps5b21ryymnxb4nb2gs32arfxj5m8";
     };
-}
\ No newline at end of file
+}