diff --git a/client.js b/client.js
index af543af..27703ee 100644
--- a/client.js
+++ b/client.js
@@ -454,14 +454,18 @@ Tracker.prototype._handleResponse = function (requestUrl, data) {
   }
   var failure = data['failure reason']
   if (failure) {
+    debug('failure from ' + requestUrl + ' (' + failure + ')')
     return self.client.emit('warning', new Error(failure))
   }
 
   var warning = data['warning message']
   if (warning) {
+    debug('warning from ' + requestUrl + ' (' + warning + ')')
     self.client.emit('warning', new Error(warning))
   }
 
+  debug('response from ' + requestUrl)
+
   if (requestUrl === self._announceUrl) {
     var interval = data.interval || data['min interval']
     if (interval && !self._opts.interval && self._intervalMs !== 0) {