diff --git a/.metadata b/.metadata
index 525be45..18f7129 100644
Binary files a/.metadata and b/.metadata differ
diff --git a/.templates/nginx/nginx.conf b/.templates/nginx/nginx.conf
index 10872ba..0bba2b9 100644
--- a/.templates/nginx/nginx.conf
+++ b/.templates/nginx/nginx.conf
@@ -23,7 +23,7 @@ server {
 
     # Let's Encrypt (acme.sh) support.
     location ~ ^(/\.well-known/(?!(caldav|carddav|nodeinfo|webfinger)).*$) {
-        proxy_pass http://localhost:8100;
+        proxy_pass http://$PAR_ACMEHOST:$PAR_ACMEPORT;
         error_page 500 502 503 504 @proxy_error;
     }