diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index b9bd62dc..54e3d49b 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -73,7 +73,7 @@ http {
     # maintained by certbot-ocsp-fetcher
     ssl_stapling_file /var/cache/certbot-ocsp-fetcher/grapheneos.org.der;
 
-    log_format main '$connection-$connection_requests $remote_addr $remote_user $ssl_protocol $server_protocol '
+    log_format main '$connection-$connection_requests $remote_addr $remote_user $ssl_session_reused $ssl_protocol $server_protocol '
         '$host $request_method "$request_uri" $status $request_length $body_bytes_sent/$bytes_sent '
         '$request_time $upstream_connect_time/$upstream_header_time/$upstream_response_time '
         '$upstream_cache_status "$http_referer" "$http_user_agent"';