diff --git a/lib/index.js b/lib/index.js
index c942c8f..96d2b77 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -103,8 +103,8 @@ InsightAPI.prototype.start = function(callback) {
   this._bus.on('p2p/transaction', this.transactionEventHandler.bind(this));
   this._bus.subscribe('p2p/transaction');
 
-  //this._bus.on('p2p/block', this.blockEventHandler.bind(this));
-  //this._bus.subscribe('p2p/block');
+  this._bus.on('p2p/block', this.blockEventHandler.bind(this));
+  this._bus.subscribe('p2p/block');
 
   callback();