diff --git a/pkgs/applications/science/math/perseus/default.nix b/pkgs/applications/science/math/perseus/default.nix
index 4545203dacca..d9921e68edb1 100644
--- a/pkgs/applications/science/math/perseus/default.nix
+++ b/pkgs/applications/science/math/perseus/default.nix
@@ -8,12 +8,12 @@ stdenv.mkDerivation {
   hardeningDisable = [ "stackprotector" ];
 
   src = fetchurl {
-    url = "http://www.sas.upenn.edu/~vnanda/source/perseus_4_beta.zip";
-    sha256 = "09brijnqabhgfjlj5wny0bqm5dwqcfkp1x5wif6yzdmqh080jybj";
+    url = "http://people.maths.ox.ac.uk/nanda/source/perseus_4_beta.zip";
+    sha256 = "sha256-cnkJEIC4tu+Ni7z0cKdjmLdS8QLe8iKpdA8uha2MeSU=";
   };
 
   sourceRoot = ".";
-
+  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
   buildPhase = ''
     g++ Pers.cpp -O3 -fpermissive -o perseus
   '';
@@ -32,7 +32,7 @@ stdenv.mkDerivation {
       around datasets arising from point samples, images, distance
       matrices and so forth.
     '';
-    homepage = "http://www.sas.upenn.edu/~vnanda/perseus/index.html";
+    homepage = "http://people.maths.ox.ac.uk/nanda/perseus/index.html";
     license = lib.licenses.gpl3;
     maintainers = with lib.maintainers; [ erikryb ];
     platforms = lib.platforms.linux;