diff --git a/pkgs/development/python-modules/carbon/default.nix b/pkgs/development/python-modules/carbon/default.nix
index c471240c87ad..427108a93910 100644
--- a/pkgs/development/python-modules/carbon/default.nix
+++ b/pkgs/development/python-modules/carbon/default.nix
@@ -6,17 +6,19 @@ buildPythonPackage rec {
   pname = "carbon";
   version = "1.1.6";
 
-  disabled = isPy3k;
-
   src = fetchPypi {
     inherit pname version;
     sha256 = "9ecda1469e497e3fed346b23ac94fd576e1bd9962677ab88975f4f598186e851";
   };
 
+  # Carbon-s default installation is /opt/graphite. This env variable ensures
+  # carbon is installed as a regular python module.
+  GRAPHITE_NO_PREFIX="True";
+
   propagatedBuildInputs = [ twisted whisper txamqp cachetools urllib3 ];
 
   meta = with stdenv.lib; {
-    homepage = http://graphite.wikidot.com/;
+    homepage = "http://graphiteapp.org/";
     description = "Backend data caching and persistence daemon for Graphite";
     maintainers = with maintainers; [ offline basvandijk ];
     license = licenses.asl20;