diff --git a/lib/primitives/block.js b/lib/primitives/block.js
index 9169d84c..5eb72153 100644
--- a/lib/primitives/block.js
+++ b/lib/primitives/block.js
@@ -616,8 +616,8 @@ Block.prototype.fromJSON = function fromJSON(json) {
 
   this.parseJSON(json);
 
-  for (let i = 0; i < json.txs.length; i++)
-    this.txs.push(TX.fromJSON(json.txs[i]));
+  for (let tx of json.txs)
+    this.txs.push(TX.fromJSON(tx));
 
   return this;
 };