diff --git a/configuration.nix b/configuration.nix
index ebc6b3a..2d57348 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -51,6 +51,7 @@
     flake = "github:kyren223/server#default";
     dates = "minutely"; # Poll interval
     flags = [
+      "--impure" # Be able to read from local files
       "--no-write-lock-file" # Prevent flake.lock from upgrading
       "--option" "tarball-ttl" "0" # Required for polling below 1h
     ];
diff --git a/nginx.nix b/nginx.nix
index d003ad9..8a42df4 100644
--- a/nginx.nix
+++ b/nginx.nix
@@ -26,11 +26,11 @@
     acceptTerms = true;
     defaults.email = "kyren223@proton.me";
     certs."kyren.codes" = {
-      # extraDomainNames = [ "*.kyren.codes" ];
+      extraDomainNames = [ "*.kyren.codes" ];
       dnsProvider = "namecheap";
       environmentFile = "${pkgs.writeText "namecheap-creds" ''
-        NAMECHEAP_API_USER_FILE=/run/secrets/namecheap-api-user
-        NAMECHEAP_API_KEY_FILE=/run/secrets/namecheap-api-key
+        NAMECHEAP_API_USER=${builtins.readFile "/run/secrets/namecheap-api-user"}
+        NAMECHEAP_API_KEY=${builtins.readFile "/run/secrets/namecheap-api-key"}
       ''}";
     };
   };