diff --git a/pkgs/tools/misc/apt-offline/default.nix b/pkgs/tools/misc/apt-offline/default.nix
index dc170bcd14bb..ff146e609232 100644
--- a/pkgs/tools/misc/apt-offline/default.nix
+++ b/pkgs/tools/misc/apt-offline/default.nix
@@ -1,6 +1,6 @@
-{ stdenv, fetchurl, bash, buildPythonApplication }:
+{ stdenv, fetchurl, bash, pythonPackages }:
 
-buildPythonApplication rec {
+pythonPackages.buildPythonApplication rec {
   version = "1.3";
   name = "apt-offline-${version}";
 
@@ -12,8 +12,6 @@ buildPythonApplication rec {
     sha256 = "1sp7ai2abzhbg9y84700qziybphvpzl2nk3mz1d1asivzyjvxlxy";
   };
 
-  buildInputs = [ ];
-
   doCheck = false;
 
   # Requires python-qt4 (feel free to get it working).