diff --git a/index.js b/index.js
index 6891c52..1f03a4e 100644
--- a/index.js
+++ b/index.js
@@ -29,10 +29,11 @@ app.use('/', rootLimiter);
 app.use(
 	cors({
 		origin: function (origin, callback) {
-			if (!origin || allowedOrigins.includes(origin)) {
+			if (origin && allowedOrigins.includes(origin)) {
 				callback(null, true);
 			} else {
 				callback(new Error(`Origin ${origin} is not allowed by CORS!`));
+				console.warn(`Connection refused: origin ${origin} is not allowed by CORS!`);
 			}
 		},
 	})