diff --git a/pkgs/development/interpreters/python/2.7/default.nix b/pkgs/development/interpreters/python/2.7/default.nix
index e47fc82f4e8e..db9135ea2abf 100644
--- a/pkgs/development/interpreters/python/2.7/default.nix
+++ b/pkgs/development/interpreters/python/2.7/default.nix
@@ -1,5 +1,6 @@
 { stdenv, fetchurl, self, callPackage, python27Packages
 , bzip2, openssl, gettext
+, less
 
 , includeModules ? false
 
@@ -108,7 +109,7 @@ let
     ++ optional zlibSupport zlib
     ++ optional stdenv.isDarwin CF;
 
-  propagatedBuildInputs = optional stdenv.isDarwin configd;
+  propagatedBuildInputs = [ less ] ++ optional stdenv.isDarwin configd;
 
   mkPaths = paths: {
     C_INCLUDE_PATH = makeSearchPathOutput "dev" "include" paths;