diff --git a/public/admin.html b/public/admin.html
index 1e45e42..11815ba 100644
--- a/public/admin.html
+++ b/public/admin.html
@@ -203,6 +203,7 @@
             setStatus('Consultando ' + path + '...');
             const headers = options.headers || {};
             if (token.value) headers.Authorization = `Bearer ${token.value}`;
+            headers['x-tenant-id'] = tenantId.value || 'default';
             const res = await fetch(`${apiRoot}${path}?tenantId=${encodeURIComponent(tenantId.value)}`, {
               ...options,
               headers,