1 files changed, 4 insertions, 2 deletions

diff --git a/overlays/postfix-mta-sts-resolver.nix b/overlays/postfix-mta-sts-resolver.nix
index 22fc4118..6a08861d 100644
--- a/overlays/postfix-mta-sts-resolver.nix
+++ b/overlays/postfix-mta-sts-resolver.nix
@@ -1,6 +1,8 @@
 { final, prev, flakeInputs, sources, ... }:
-{
-  postfix-mta-sts-resolver = flakeInputs.mach-nix.lib.${final.system}.buildPythonPackage {
+let
+  inherit (final.stdenv.targetPlatform) system;
+in {
+  postfix-mta-sts-resolver = flakeInputs.mach-nix.lib.${system}.buildPythonPackage {
     inherit (sources.postfix-mta-sts-resolver) src pname version;
     # extras = "redis,uvloop";
     ignoreDataOutdated = true;