diff --git a/pkgs/applications/networking/instant-messengers/salut-a-toi/default.nix b/pkgs/applications/networking/instant-messengers/salut-a-toi/default.nix
index c35101bb874..98a3ac55fad 100644
--- a/pkgs/applications/networking/instant-messengers/salut-a-toi/default.nix
+++ b/pkgs/applications/networking/instant-messengers/salut-a-toi/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   buildInputs = with pythonPackages; 
     [
       python twisted urwid beautifulsoup wxPython distribute pygobject
-      wokkel pythonDBus pyfeed wrapPython
+      wokkel pythonDBus pyfeed pythonPackages.setuptools wrapPython
     ];
 
   configurePhase = ''