diff --git a/index.js b/index.js
index ff96b12..4d8bb08 100644
--- a/index.js
+++ b/index.js
@@ -77,6 +77,13 @@ function TraceablePeerConnection(config, constraints) {
             self.oniceconnectionstatechange(event);
         }
     };
+    this.onicegatheringstatechange = null;
+    this.peerconnection.onicegatheringstatechange = function (event) {
+        self.trace('onicegatheringstatechange', self.iceGatheringState);
+        if (self.onicegatheringstatechange !== null) {
+            self.onicegatheringstatechange(event);
+        }
+    };
     this.onnegotiationneeded = null;
     this.peerconnection.onnegotiationneeded = function (event) {
         self.trace('onnegotiationneeded');
@@ -97,7 +104,7 @@ function TraceablePeerConnection(config, constraints) {
 
 util.inherits(TraceablePeerConnection, WildEmitter);
 
-['signalingState', 'iceConnectionState', 'localDescription', 'remoteDescription'].forEach(function (prop) {
+['signalingState', 'iceGatheringState', 'iceConnectionState', 'localDescription', 'remoteDescription'].forEach(function (prop) {
     Object.defineProperty(TraceablePeerConnection.prototype, prop, {
         get: function () {
             return this.peerconnection[prop];