diff --git a/index.js b/index.js
index adf7ba6..9d57495 100755
--- a/index.js
+++ b/index.js
@@ -19,7 +19,7 @@ app.use(express.json());
 app.use(cookieParser());
 app.use(cors({
     origin: function (origin, callback) {
-        if (config.corsAllowList.indexOf(origin) !== -1) {
+        if (config.corsAllowList.indexOf(origin) !== -1 || !origin) {
             callback(null, true);
         } else {
             callback(new Error('Not allowed by CORS'));