diff --git a/pkgs/development/python-modules/setuptools/default.nix b/pkgs/development/python-modules/setuptools/default.nix
index a187b678630..eb0da0264a4 100644
--- a/pkgs/development/python-modules/setuptools/default.nix
+++ b/pkgs/development/python-modules/setuptools/default.nix
@@ -2,7 +2,7 @@ a :
 let 
   fetchurl = a.fetchurl;
 
-  version = a.lib.getAttr ["version"] "0.6c9" a; 
+  version = a.lib.attrByPath ["version"] "0.6c9" a; 
   buildInputs = with a; [
     python makeWrapper
   ];