diff --git a/pkgs/development/python-modules/jaraco_functools/default.nix b/pkgs/development/python-modules/jaraco_functools/default.nix
index 6ee4c2417109..eb176d0d8575 100644
--- a/pkgs/development/python-modules/jaraco_functools/default.nix
+++ b/pkgs/development/python-modules/jaraco_functools/default.nix
@@ -17,6 +17,8 @@ buildPythonPackage rec {
 
   doCheck = false;
 
+  pythonNamespaces = [ "jaraco" ];
+
   meta = with lib; {
     description = "Additional functools in the spirit of stdlib's functools";
     homepage = "https://github.com/jaraco/jaraco.functools";