diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index 046dce9f..a7337574 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -100,7 +100,10 @@ http {
         listen 80 default_server backlog=4096;
         listen [::]:80 default_server backlog=4096;
         keepalive_timeout 0;
-        return 404;
+        # https://trac.nginx.org/nginx/ticket/2012
+        location / {
+            return 404;
+        }
     }
 
     server {