diff --git a/src/file-item.proto b/src/file-item.proto
index 02ea9e8..f63aa9d 100644
--- a/src/file-item.proto
+++ b/src/file-item.proto
@@ -8,4 +8,6 @@
   required uint32 mtime = 6;
   required uint32 mode  = 7;
   required uint64 seg_num = 8;
+
+  required uint32 is_complete = 9;
 }