diff --git a/pkgs/development/interpreters/python/2.6/default.nix b/pkgs/development/interpreters/python/2.6/default.nix
index 8865738b0d7..3fd035b09bb 100644
--- a/pkgs/development/interpreters/python/2.6/default.nix
+++ b/pkgs/development/interpreters/python/2.6/default.nix
@@ -88,6 +88,8 @@ stdenv.mkDerivation ( {
     libPrefix = "python${majorVersion}";
   };
 
+  enableParallelBuilding = true;
+
   meta = {
     platforms = stdenv.lib.platforms.all;
   };