diff --git a/server/app.js b/server/app.js
index 013a095..9e885ae 100644
--- a/server/app.js
+++ b/server/app.js
@@ -50,10 +50,14 @@ app.register(helmet, {
   }
 })
 
-if (config.originFrontend) {
+if (config.originFrontend !== null) {
   app.register(cors, {
     origin: config.originFrontend
   })
+} else {
+  app.register(cors, {
+    origin: false
+  })
 }
 
 uploadProviderInit(app)