diff --git a/nixosModules/default.nix b/nixosModules/default.nix
index fd79f61..a69ba3d 100644
--- a/nixosModules/default.nix
+++ b/nixosModules/default.nix
@@ -197,7 +197,7 @@ in {
     after = ["wait-for-udev.service"];
     requires = ["wayland-proxy-virtwl.socket" "wait-for-udev.service"];
     serviceConfig = {
-      ExecStart = "${virtwl.packages.x86_64-linux.proxy}/bin/wayland-proxy-virtwl --virtio-gpu";
+      ExecStart = "${virtwl.packages.${pkgs.system}.proxy}/bin/wayland-proxy-virtwl --virtio-gpu";
       Environment = ["XDG_RUNTIME_DIR=${runtimeDir}"];
       User = "appvm";
       Group = "appvm";