diff --git a/messages/JsonMessages/MapDetailsData.ts b/messages/JsonMessages/MapDetailsData.ts
index 51cb7187..7c3ca5f4 100644
--- a/messages/JsonMessages/MapDetailsData.ts
+++ b/messages/JsonMessages/MapDetailsData.ts
@@ -54,7 +54,7 @@ export const isMapDetailsData = z.object({
         description: "The URL of the image to be used on the LoginScene",
         example: "https://example.com/logo_login.png",
     }),
-    showPoweredBy: extendApi(z.boolean(), {
+    showPoweredBy: extendApi(z.optional(z.nullable(z.boolean())), {
         description: "The URL of the image to be used on the name scene",
         example: "https://example.com/logo_login.png",
     }),