diff --git a/src/internal/client.ts b/src/internal/client.ts
index 6e47f98e..26a0eceb 100644
--- a/src/internal/client.ts
+++ b/src/internal/client.ts
@@ -1720,7 +1720,7 @@ export class TypedClient {
       uploadId = previousUploadId
       const oldTags = await this.listParts(bucketName, objectName, previousUploadId)
       oldTags.forEach((e) => {
-        oldTags[e.part] = e
+        oldParts[e.part] = e
       })
     }