diff --git a/core/httpd.js b/core/httpd.js
index ed54c256..7d48ce4a 100644
--- a/core/httpd.js
+++ b/core/httpd.js
@@ -93,6 +93,7 @@ function Response(request, client) {
 		101: "Switching Protocols",
 		200: 'OK',
 		303: 'See other',
+		304: 'Not Modified',
 		403: 'Forbidden',
 		404: 'File not found',
 		500: 'Internal server error',