diff --git a/packages/backend/src/apps/google-calendar/triggers/new-calendar/index.ts b/packages/backend/src/apps/google-calendar/triggers/new-calendar/index.ts
index ae84f66c..564d9c10 100644
--- a/packages/backend/src/apps/google-calendar/triggers/new-calendar/index.ts
+++ b/packages/backend/src/apps/google-calendar/triggers/new-calendar/index.ts
@@ -23,7 +23,7 @@ export default defineTrigger({
           $.pushTriggerItem({
             raw: calendar,
             meta: {
-              internalId: calendar.id,
+              internalId: calendar.etag,
             },
           });
         }