diff --git a/modules/programs/python.nix b/modules/programs/python.nix
index c5b7c53..39fd7f2 100644
--- a/modules/programs/python.nix
+++ b/modules/programs/python.nix
@@ -15,7 +15,7 @@ in
       default = [ "python310" ];
       type = with types; listOf str;
       example = [ "python39" ];
-      apply = versions: builtins.map (version: prev.${version}.withPackages (packages: with packages; [ black pyflakes isort nose pytest python-lsp-server ]));
+      apply = builtins.map (version: pkgs.${version}.withPackages (packages: with packages; [ black pyflakes isort nose pytest python-lsp-server ]));
     };
   };