diff --git a/runbot/runbot.xml b/runbot/runbot.xml
index 84f38ff7..686161bc 100644
--- a/runbot/runbot.xml
+++ b/runbot/runbot.xml
@@ -514,8 +514,10 @@ http {
     server_names_hash_max_size 512;
     server_names_hash_bucket_size 256;
     index index.html;
-
-    access_log <t t-esc="nginx_dir"/>/access.log;
+    log_format full '$remote_addr - $remote_user [$time_local] '
+                    '"$request" $status $body_bytes_sent '
+                    '"$http_referer" "$http_user_agent" $request_time';
+    access_log <t t-esc="nginx_dir"/>/access.log full;
     client_body_temp_path <t t-esc="nginx_dir"/>;
     fastcgi_temp_path <t t-esc="nginx_dir"/>;