diff --git a/pkgs/desktops/gnome/misc/gnome-tweaks/default.nix b/pkgs/desktops/gnome/misc/gnome-tweaks/default.nix
index c220e7eeccd1..6a9f4f19385d 100644
--- a/pkgs/desktops/gnome/misc/gnome-tweaks/default.nix
+++ b/pkgs/desktops/gnome/misc/gnome-tweaks/default.nix
@@ -56,7 +56,7 @@ python3Packages.buildPythonApplication rec {
     libsoup
   ];
 
-  propagatedBuildInputs = with python3Packages; [
+  pythonPath = with python3Packages; [
     pygobject3
   ];