diff --git a/src/MetaInfo.js b/src/MetaInfo.js
index f68f953..b460e7c 100644
--- a/src/MetaInfo.js
+++ b/src/MetaInfo.js
@@ -1,9 +1,10 @@
 'use strict';
 
 class MetaInfo {
-  constructor(type, size, ts) {
+  constructor(type, size, from, ts) {
     this.type = type;
     this.size = size;
+    this.from = from;
     this.ts   =   ts;
   }
 }