diff --git a/frontend/src/pages/CalendarPage.tsx b/frontend/src/pages/CalendarPage.tsx
index 1ec46db..36804a0 100644
--- a/frontend/src/pages/CalendarPage.tsx
+++ b/frontend/src/pages/CalendarPage.tsx
@@ -77,7 +77,7 @@ const SORT_OPTIONS = [
   { id: 'series', label: 'Série' },
 ]
 
-const API_BASE = 'http://localhost:8000'
+const API_BASE = ''
 
 // ── Helpers ───────────────────────────────────────────────────────────────────