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-rw-r--r--pkgs/applications/science/math/msieve/default.nix9
1 files changed, 5 insertions, 4 deletions
diff --git a/pkgs/applications/science/math/msieve/default.nix b/pkgs/applications/science/math/msieve/default.nix
index 588df51554ab9..6456608e7dbc1 100644
--- a/pkgs/applications/science/math/msieve/default.nix
+++ b/pkgs/applications/science/math/msieve/default.nix
@@ -1,10 +1,11 @@
-{lib, stdenv, fetchurl, zlib, gmp, ecm }:
+{ lib, stdenv, fetchurl, zlib, gmp, ecm }:
 
-stdenv.mkDerivation {
-  name = "msieve-1.53";
+stdenv.mkDerivation rec {
+  pname = "msieve";
+  version = "1.53";
 
   src = fetchurl {
-    url = "mirror://sourceforge/msieve/msieve/Msieve%20v1.53/msieve153_src.tar.gz";
+    url = "mirror://sourceforge/msieve/msieve/Msieve%20v${version}/msieve${lib.replaceStrings ["."] [""] version}_src.tar.gz";
     sha256 = "1d1vv7j4rh3nnxsmvafi73qy7lw7n3akjlm5pjl3m936yapvmz65";
   };