diff --git a/hosts/dnsc-machine/default.nix b/hosts/dnsc-machine/default.nix
index 355be6b..0f62031 100644
--- a/hosts/dnsc-machine/default.nix
+++ b/hosts/dnsc-machine/default.nix
@@ -34,7 +34,7 @@ in
     inputs.zellij-switch.overlays.default
 
     (final: prev: {
-      python3Packages.python-dbusmock = backportPkgs.python3Packages.python-dbusmock;
+      python313Packages.python-dbusmock = backportPkgs.python313Packages.python-dbusmock;
     })
   ];