diff --git a/api/activitypub/sendNote.ts b/api/activitypub/sendNote.ts
index 011c315cbbe5c1e537417dafd65f89f5334a8c22..a8e581ae02de55568e92fae7ee0478191f05bdd0 100644
--- a/api/activitypub/sendNote.ts
+++ b/api/activitypub/sendNote.ts
@@ -104,7 +104,7 @@ export default async function (req: VercelRequest, res: VercelResponse) {
   }
 
   sendingIds.add(...sentIds);
-  newSentIds = [];
+  const newSentIds = [];
   newSentIds.push(...sendingIds);
   configRef.set({
     "sentIds": newSentIds,