diff --git a/addons/bus/static/src/js/longpolling_bus.js b/addons/bus/static/src/js/longpolling_bus.js
index 50058bc8ae4..83f2b0676ef 100644
--- a/addons/bus/static/src/js/longpolling_bus.js
+++ b/addons/bus/static/src/js/longpolling_bus.js
@@ -32,30 +32,33 @@ var LongpollingBus = Bus.extend(ServicesMixin, {
     init: function (parent, params) {
         this._super.apply(this, arguments);
         this._id = _.uniqueId('bus');
+
+        // the _id is modified by crosstab_bus, so we can't use it to unbind the events in the destroy.
+        this._longPollingBusId = this._id;
         this._options = {};
         this._channels = [];
 
         // bus presence
         this._lastPresenceTime = new Date().getTime();
-        $(window).on("focus." + this._id, this._onFocusChange.bind(this, {focus: true}));
-        $(window).on("blur." + this._id, this._onFocusChange.bind(this, {focus: false}));
-        $(window).on("unload." + this._id, this._onFocusChange.bind(this, {focus: false}));
+        $(window).on("focus." + this._longPollingBusId, this._onFocusChange.bind(this, {focus: true}));
+        $(window).on("blur." + this._longPollingBusId, this._onFocusChange.bind(this, {focus: false}));
+        $(window).on("unload." + this._longPollingBusId, this._onFocusChange.bind(this, {focus: false}));
 
-        $(window).on("click." + this._id, this._onPresence.bind(this));
-        $(window).on("keydown." + this._id, this._onPresence.bind(this));
-        $(window).on("keyup." + this._id, this._onPresence.bind(this));
+        $(window).on("click." + this._longPollingBusId, this._onPresence.bind(this));
+        $(window).on("keydown." + this._longPollingBusId, this._onPresence.bind(this));
+        $(window).on("keyup." + this._longPollingBusId, this._onPresence.bind(this));
     },
     /**
      * @override
      */
     destroy: function () {
         this.stopPolling();
-        $(window).off("focus." + this._id);
-        $(window).off("blur." + this._id);
-        $(window).off("unload." + this._id);
-        $(window).off("click." + this._id);
-        $(window).off("keydown." + this._id);
-        $(window).off("keyup." + this._id);
+        $(window).off("focus." + this._longPollingBusId);
+        $(window).off("blur." + this._longPollingBusId);
+        $(window).off("unload." + this._longPollingBusId);
+        $(window).off("click." + this._longPollingBusId);
+        $(window).off("keydown." + this._longPollingBusId);
+        $(window).off("keyup." + this._longPollingBusId);
         this._super();
     },
     //--------------------------------------------------------------------------