diff --git a/rustfs/src/storage/s3_api/multipart.rs b/rustfs/src/storage/s3_api/multipart.rs
index c51b8957e..eccead33d 100644
--- a/rustfs/src/storage/s3_api/multipart.rs
+++ b/rustfs/src/storage/s3_api/multipart.rs
@@ -153,6 +153,9 @@ pub(crate) fn build_list_multipart_uploads_output(
     prefix: String,
     result: ListMultipartsInfo,
 ) -> ListMultipartUploadsOutput {
+    let owner = rustfs_owner();
+    let initiator = rustfs_initiator();
+
     ListMultipartUploadsOutput {
         bucket: Some(bucket),
         prefix: Some(prefix),
@@ -169,6 +172,8 @@ pub(crate) fn build_list_multipart_uploads_output(
                     key: Some(u.object),
                     upload_id: Some(u.upload_id),
                     initiated: u.initiated.map(Timestamp::from),
+                    owner: Some(owner.clone()),
+                    initiator: Some(initiator.clone()),
                     ..Default::default()
                 })
                 .collect(),
@@ -298,6 +303,8 @@ mod tests {
         assert_eq!(uploads[0].key.as_deref(), Some("obj-a"));
         assert_eq!(uploads[0].upload_id.as_deref(), Some("upload-a"));
         assert_eq!(uploads[0].initiated, Some(Timestamp::from(OffsetDateTime::UNIX_EPOCH)));
+        assert_eq!(uploads[0].owner, Some(rustfs_owner()));
+        assert_eq!(uploads[0].initiator, Some(rustfs_initiator()));
 
         assert_eq!(common_prefixes.len(), 2);
         assert_eq!(common_prefixes[0].prefix.as_deref(), Some("prefix-a/"));