diff --git a/system/vpn.nix b/system/vpn.nix
index 037fe6e..35ccf43 100644
--- a/system/vpn.nix
+++ b/system/vpn.nix
@@ -1,5 +1,8 @@
 { config, pkgs, ... }:
 
 {
+  # workaround for https://github.com/NixOS/nixpkgs/issues/91923
+  networking.iproute2.enable = true;
+
   services.mullvad-vpn.enable = true;
 }