diff --git a/servers/puppet/modules/humbug/files/nginx/humbug-include/app b/servers/puppet/modules/humbug/files/nginx/humbug-include/app
index b9a5b74743..b103efbe6f 100644
--- a/servers/puppet/modules/humbug/files/nginx/humbug-include/app
+++ b/servers/puppet/modules/humbug/files/nginx/humbug-include/app
@@ -36,3 +36,7 @@ location / {
     fastcgi_buffers 1024 4k;
     fastcgi_max_temp_file_size 0;
 }
+
+real_ip_header X-Forwarded-For;
+# lb0.zulip.net elastic IP
+set_real_ip_from 54.213.41.54;