diff --git a/main.js b/main.js
index 8ad40f57b3de955b3d4ed891767a29afbf91da40..2b14348c5c0b833119ffade62ed2534cb728e1e9 100644
--- a/main.js
+++ b/main.js
@@ -106,7 +106,7 @@ const send_redirect = (res, code, loc) => {
 };
 
 const send_json = (res, code, data) => {
-  res.writeHead(code, {'Content-Type': 'application/json'});
+  res.writeHead(code, {'Content-Type': 'application/json', 'Access-Control-Allow-Origin': '*'});
   res.end(JSON.stringify(data));
 };