diff --git a/lib/bcoin/pool.js b/lib/bcoin/pool.js
index 0d411a56..52525c78 100644
--- a/lib/bcoin/pool.js
+++ b/lib/bcoin/pool.js
@@ -716,7 +716,7 @@ Pool.prototype.sendTX = function sendTX(tx) {
     var result = peer.broadcast(tx);
     if (!result) return;
     result[0].once('request', function() {
-      e.emit('ack');
+      e.emit('ack', peer);
     });
   });