diff --git a/app.js b/app.js
index 1a811351a..5676615e6 100644
--- a/app.js
+++ b/app.js
@@ -513,13 +513,15 @@ function dump(elem, filename){
             var session = connection.jingle.sessions[sid];
             if (session.peerconnection && session.peerconnection.updateLog) {
                 // FIXME: should probably be a .dump call
+                /* well, if I need to modify the output format anyway...
                 var stats = JSON.parse(JSON.stringify(session.peerconnection.stats));
                 Object.keys(stats).forEach(function (name) {
                     stats[name].values = JSON.stringify(stats[name].values);
                 });
+                */
                 data["jingle_" + session.sid] = {
                     updateLog: session.peerconnection.updateLog,
-                    stats: stats,
+                    stats: session.peerconnection.stats),
                     url: window.location.href}
                 ;
             }
diff --git a/libs/strophejingle.bundle.js b/libs/strophejingle.bundle.js
index 215da23a5..6cc916b41 100644
--- a/libs/strophejingle.bundle.js
+++ b/libs/strophejingle.bundle.js
@@ -64,6 +64,9 @@ function TraceablePeerConnection(ice_config, constraints) {
             self.ondatachannel(event);
         }
     }
+    // FIXME: is it a good idea to automatically start it here?
+    this.statsinterval = null;
+
     this.maxstats = 600; // limit to 600 values, i.e. 10 minutes
     this.statsinterval = window.setInterval(function() {
         self.peerconnection.getStats(function(stats) {
@@ -148,6 +151,10 @@ TraceablePeerConnection.prototype.setRemoteDescription = function (description,
 
 TraceablePeerConnection.prototype.close = function () {
     this.trace('stop');
+    if (this.statsinterval !== null) {
+        window.clearInterval(this.statsinterval);
+        this.statsinterval = null;
+    }
     this.peerconnection.close();
 };
 
@@ -205,7 +212,6 @@ TraceablePeerConnection.prototype.getStats = function(callback) {
     this.peerconnection.getStats(callback);
 };
 
-
 // mozilla chrome compat layer -- very similar to adapter.js
 function setupRTC() {
     var RTC = null;