diff --git a/pkgs/applications/science/math/palp/default.nix b/pkgs/applications/science/math/palp/default.nix
index e9fd21b46d8a..4912b82d158f 100644
--- a/pkgs/applications/science/math/palp/default.nix
+++ b/pkgs/applications/science/math/palp/default.nix
@@ -4,10 +4,12 @@
 , doSymlink ? true # symlink the executables to the default location (without dimension postfix)
 }:
 
-stdenv.mkDerivation rec {
-  version = "2.1";
+let
   dim = toString dimensions;
-  name = "palp-${dim}d-${version}";
+in
+stdenv.mkDerivation rec {
+  pname = "palp";
+  version = "2.1";
 
   src = fetchurl {
     url = "http://hep.itp.tuwien.ac.at/~kreuzer/CY/palp/palp-${version}.tar.gz";
@@ -75,7 +77,7 @@ stdenv.mkDerivation rec {
       algorithms work in any dimension and our key routine for vertex and
       facet enumeration compares well with existing packages.
     '';
-    homepage = http://hep.itp.tuwien.ac.at/~kreuzer/CY/CYpalp.html;
+    homepage = "http://hep.itp.tuwien.ac.at/~kreuzer/CY/CYpalp.html";
     # Just a link on the website pointing to gpl -- now gplv3. When the last
     # version was released that pointed to gplv2 however, so thats probably
     # the right license.