diff --git a/docs/nginx.md b/docs/nginx.md
index 0917cec7..099587a2 100644
--- a/docs/nginx.md
+++ b/docs/nginx.md
@@ -31,7 +31,7 @@ server {
 
   location / {
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-    proxy_set_header Host $http_host;
+    proxy_set_header Host $host;
 
     # If the file exists as a static file serve it directly without
     # running all the other rewrite tests on it