diff --git a/lib/client/websocket-tracker.js b/lib/client/websocket-tracker.js
index a734ba8..0cd4fdf 100644
--- a/lib/client/websocket-tracker.js
+++ b/lib/client/websocket-tracker.js
@@ -360,6 +360,7 @@ WebSocketTracker.prototype._generateOffers = function (numwant, cb) {
       delete self.peers[offerId]
       peer.destroy()
     }, OFFER_TIMEOUT)
+    if (peer.trackerTimeout.unref) peer.trackerTimeout.unref()
   }
 
   function checkDone () {