diff --git a/src/app/utils/chunkedUpsert.ts b/src/app/utils/chunkedUpsert.ts
index 060185f..f3293ce 100644
--- a/src/app/utils/chunkedUpsert.ts
+++ b/src/app/utils/chunkedUpsert.ts
@@ -20,7 +20,7 @@ export const chunkedUpsert = async (
     await Promise.allSettled(
       chunks.map(async (chunk) => {
         try {
-          await index.namespace(namespace).upsert(vectors);
+          await index.namespace(namespace).upsert(chunk);
         } catch (e) {
           console.log('Error upserting chunk', e);
         }