diff --git a/packages/server/src/utils/XSS.ts b/packages/server/src/utils/XSS.ts
index d4acef49..96bbab57 100644
--- a/packages/server/src/utils/XSS.ts
+++ b/packages/server/src/utils/XSS.ts
@@ -31,7 +31,7 @@ export function getCorsOptions(): any {
             if (!origin || allowedOrigins == '*' || allowedOrigins.indexOf(origin) !== -1) {
                 callback(null, true)
             } else {
-                callback(new Error('Not allowed by CORS'))
+                callback(null, false)
             }
         }
     }