diff --git a/weed/server/volume_grpc_read_all.go b/weed/server/volume_grpc_read_all.go
index 6e7b30dbd..21b42d8b1 100644
--- a/weed/server/volume_grpc_read_all.go
+++ b/weed/server/volume_grpc_read_all.go
@@ -19,7 +19,9 @@ func (vs *VolumeServer) ReadAllNeedles(req *volume_server_pb.ReadAllNeedlesReque
 		stream: stream,
 	}
 
-	err = storage.ScanVolumeFileFrom(v.Version(), v.DataBackend, super_block.SuperBlockSize, scanner)
+	offset := int64(v.SuperBlock.BlockSize())
+
+	err = storage.ScanVolumeFileFrom(v.Version(), v.DataBackend, offset, scanner)
 
 	return err