diff --git a/flake.nix b/flake.nix
index c3a010d..3807858 100644
--- a/flake.nix
+++ b/flake.nix
@@ -80,7 +80,7 @@
           value = {
             inherit enable;
             script = ''
-              TS_AUTHKEY=$(cat $RUNTIME_DIRECTORY/authkey) ${lib.getExe self.packages.${pkgs.system}.default} ${hostname} ${lib.concatMapStringsSep " " ({proto, port, dest}: "${proto}:${toString port}:${dest}") forwards}
+              TS_AUTHKEY=$(cat $RUNTIME_DIRECTORY/authkey) ${lib.getExe self.packages.${pkgs.stdenv.hostPlatform.system}.default} ${hostname} ${lib.concatMapStringsSep " " ({proto, port, dest}: "${proto}:${toString port}:${dest}") forwards}
             '';
             wantedBy = ["multi-user.target"];
             wants = ["network-online.target"];
@@ -91,7 +91,7 @@
               StateDirectory = name;
               ExecStartPre = "!${pkgs.writeShellScript "get-authkey" ''
                 set -e
-                TS_API_CLIENT_ID=${cfg.clientId} TS_API_CLIENT_SECRET=$(cat ${cfg.clientSecretFile}) ${self.packages.${pkgs.system}.get-authkey}/bin/get-authkey -ephemeral -tags ${lib.concatStringsSep "," cfg.tags} > $RUNTIME_DIRECTORY/authkey
+                TS_API_CLIENT_ID=${cfg.clientId} TS_API_CLIENT_SECRET=$(cat ${cfg.clientSecretFile}) ${self.packages.${pkgs.stdenv.hostPlatform.system}.get-authkey}/bin/get-authkey -ephemeral -tags ${lib.concatStringsSep "," cfg.tags} > $RUNTIME_DIRECTORY/authkey
                 chown ${name}:${name} $RUNTIME_DIRECTORY/authkey
               ''}";
             };