diff --git a/lib/client/tracker.js b/lib/client/tracker.js
index 8d53f1e..889d072 100644
--- a/lib/client/tracker.js
+++ b/lib/client/tracker.js
@@ -25,5 +25,6 @@ Tracker.prototype.setInterval = function (intervalMs) {
   if (intervalMs) {
     var update = self.announce.bind(self, self.client._defaultAnnounceOpts())
     self.interval = setInterval(update, intervalMs)
+    if (self.interval.unref) self.interval.unref()
   }
 }