diff --git a/systems/hetzner/nginx.nix b/systems/hetzner/nginx.nix
index eb67481..b3df48d 100644
--- a/systems/hetzner/nginx.nix
+++ b/systems/hetzner/nginx.nix
@@ -57,7 +57,7 @@
     max_input_time = 300
   '';
 
-  services.wordpress.sites."test.missing.ninja" = with self.packages.${nixpkgs.hostPlatform.system}; {
+  services.wordpress.sites."test.missing.ninja" = with self.packages.${config.nixpkgs.hostPlatform.system}; {
     themes = [
       madara
       madara-child