diff --git a/src/rgw/rgw_op.cc b/src/rgw/rgw_op.cc
index 54ad3dbbec3..ac8a462b11a 100644
--- a/src/rgw/rgw_op.cc
+++ b/src/rgw/rgw_op.cc
@@ -6611,6 +6611,9 @@ void RGWCompleteMultipart::complete()
       ldpp_dout(this, 0) << "WARNING: failed to unlock " << *serializer.get() << dendl;
     }
   }
+
+  etag = s->object->get_attrs()[RGW_ATTR_ETAG].to_str();
+
   send_response();
 }