diff --git a/Running-Mastodon/Production-guide.md b/Running-Mastodon/Production-guide.md
index 5785335c..a8453fa2 100644
--- a/Running-Mastodon/Production-guide.md
+++ b/Running-Mastodon/Production-guide.md
@@ -24,7 +24,9 @@ server {
   listen 80;
   listen [::]:80;
   server_name example.com;
-  return 301 https://$host$request_uri;
+  # Useful for Let's Encrypt
+  location /.well-known/acme-challenge/ { allow all; }
+  location / { return 301 https://$host$request_uri; }
 }
 
 server {