diff --git a/default.conf b/default.conf
index 2ec0359..3d4e294 100644
--- a/default.conf
+++ b/default.conf
@@ -5,7 +5,9 @@ server {
   listen 80 default_server;
   listen [::]:80 default_server;
 
-  access_log /dev/stdout;
+  # get real client IP address
+  real_ip_header X-Forwarded-For;
+  access_log /dev/stdout main;
   default_type 'text/plain';
 
   # Everything is a 200