diff --git a/machines/fuuko/services/matrix/mautrix-whatsapp.nix b/machines/fuuko/services/matrix/mautrix-whatsapp.nix
index d8c0e13..2df32f7 100644
--- a/machines/fuuko/services/matrix/mautrix-whatsapp.nix
+++ b/machines/fuuko/services/matrix/mautrix-whatsapp.nix
@@ -1,15 +1,6 @@
 # somewhat adapted from https://github.com/NixOS/nixpkgs/pull/59211
 { config, lib, pkgs, ... }:
 let
-  nixpkgsMa27 = import
-    (pkgs.fetchFromGitHub {
-      owner = "Ma27";
-      repo = "nixpkgs";
-      rev = "5c7156faf1c766166d663a68e666678992ca2b2a";
-      sha256 = "0jj9slwrpzxm88cqz7qy2v92828wsiqhrr32alix5mq7xhfyblg0";
-    })
-    { inherit (pkgs) system; };
-
   synapseCfg = config.services.matrix-synapse;
 in
 let
@@ -92,7 +83,7 @@ in
     serviceConfig = {
       DynamicUser = true;
       StateDirectory = "mautrix-whatsapp";
-      ExecStart = "${nixpkgsMa27.mautrix-whatsapp}/bin/mautrix-whatsapp -c ${generatedConfig}/config.yaml";
+      ExecStart = "${pkgs.mautrix-whatsapp}/bin/mautrix-whatsapp -c ${generatedConfig}/config.yaml";
       Restart = "on-failure";
     };
   };