diff --git a/object_store/src/upload.rs b/object_store/src/upload.rs
index 4df4d8fd46ad..e20d3981c078 100644
--- a/object_store/src/upload.rs
+++ b/object_store/src/upload.rs
@@ -209,7 +209,10 @@ impl WriteMultipart {
     }
 
     pub(crate) fn put_part(&mut self, part: PutPayload) {
-        self.tasks.spawn(self.upload.put_part(part));
+        // appereantly doing this inside spawn call, causes a index assignment race,
+        // to prevent it from happenin we do it here before spawn to ensure that the index is assigned correctly
+        let task = self.upload.put_part(part);
+        self.tasks.spawn(task);
     }
 
     /// Abort this upload, attempting to clean up any successfully uploaded parts