diff --git a/hosts/dnsc-machine/default.nix b/hosts/dnsc-machine/default.nix
index 748522a..2f2057c 100644
--- a/hosts/dnsc-machine/default.nix
+++ b/hosts/dnsc-machine/default.nix
@@ -30,7 +30,13 @@
   nixpkgs.overlays = [
     inputs.zellij-switch.overlays.default
     (final: prev: {
-      networkmanager = inputs.nixpkgs-backport-fix.legacyPackages.x86_64-linux.networkmanager;
+      python3 = prev.python3.override {
+        packageOverrides = pyfinal: pyprev: {
+          python-dbusmock =
+            inputs.nixpkgs-backport-fix.legacyPackages.x86_64-linux.python3Packages.python-dbusmock;
+        };
+      };
+      python3Packages = final.python3.pkgs;
     })
   ];