diff --git a/pkgs/tools/networking/nyx/default.nix b/pkgs/tools/networking/nyx/default.nix
index 901187c6abb9..a7d788d7c364 100644
--- a/pkgs/tools/networking/nyx/default.nix
+++ b/pkgs/tools/networking/nyx/default.nix
@@ -1,6 +1,6 @@
-{ lib, pythonPackages }:
+{ lib, python3Packages }:
 
-with pythonPackages;
+with python3Packages;
 
 buildPythonApplication rec {
   pname = "nyx";