diff --git a/mail_activity_team/static/src/js/systray.esm.js b/mail_activity_team/static/src/js/systray.esm.js
index 5d9f39c..3b6fe0b 100644
--- a/mail_activity_team/static/src/js/systray.esm.js
+++ b/mail_activity_team/static/src/js/systray.esm.js
@@ -98,4 +98,13 @@ ActivityMenu.include({
                 session.user_context.team_activities = false;
             });
     },
+    _onActivityMenuHide: function () {
+        this.filter = "my";
+        this._update_team_activities_context();
+        this._getActivityData();
+        this.$filter_buttons.removeClass("active");
+        var $target = $(".my_activities");
+        $target.addClass("active");
+        return this._super.apply(this, arguments);
+    },
 });
diff --git a/mail_activity_team/static/src/xml/systray.xml b/mail_activity_team/static/src/xml/systray.xml
index dadf02c..9af724f 100644
--- a/mail_activity_team/static/src/xml/systray.xml
+++ b/mail_activity_team/static/src/xml/systray.xml
@@ -7,13 +7,13 @@
                 <div>
                     <button
                         type="button"
-                        class="btn btn-link o_filter_button active"
+                        class="my_activities btn btn-link o_filter_button active"
                         data-filter='my'
                         role="tab"
                     > My Activities </button>
                     <button
                         type="button"
-                        class="btn btn-link o_filter_button"
+                        class="team_activities btn btn-link o_filter_button"
                         data-filter='team'
                         role="tab"
                     > Team Activities </button>