diff --git a/website/src/locales/vi.json b/website/src/locales/vi.json
index 4a5153bb..f62a8457 100644
--- a/website/src/locales/vi.json
+++ b/website/src/locales/vi.json
@@ -46,6 +46,7 @@
         "fahrenheit": "Fahrenheit",
         "language": "Language",
         "mode": "Theme",
+        "system": "System",
         "light": "Light",
         "dark": "Dark",
         "street_view_source": "Street view source",