diff --git a/lib/node.js b/lib/node.js
index 50bbf1d..ee14b56 100644
--- a/lib/node.js
+++ b/lib/node.js
@@ -54,7 +54,7 @@ Node.prototype.start = function (cb) {
   async.parallel([
     this.peers.connect.bind(this.peers),
     function (cb) {
-      self.chain.on('syncing', function () { cb(null) })
+      self.chain.once('syncing', function () { cb(null) })
       self.chain.sync()
     }
   ], cb)