diff --git a/ash/system/supervised/tray_supervised_user.cc b/ash/system/supervised/tray_supervised_user.cc
index ca850f0ddce681..8c62331c05c9cb 100644
--- a/ash/system/supervised/tray_supervised_user.cc
+++ b/ash/system/supervised/tray_supervised_user.cc
@@ -62,9 +62,16 @@ views::View* TraySupervisedUser::CreateDefaultView(LoginStatus status) {
   return tray_view;
 }
 
+void TraySupervisedUser::OnActiveUserSessionChanged(
+    const AccountId& account_id) {
+  OnUserSessionUpdated(account_id);
+}
+
+void TraySupervisedUser::OnUserSessionAdded(const AccountId& account_id) {
+  OnUserSessionUpdated(account_id);
+}
+
 void TraySupervisedUser::OnUserSessionUpdated(const AccountId& account_id) {
-  // NOTE: This doesn't use OnUserSessionAdded() because the custodian info
-  // isn't available until after the session starts.
   SessionController* session_controller = Shell::Get()->session_controller();
   if (!session_controller->IsUserSupervised())
     return;
diff --git a/ash/system/supervised/tray_supervised_user.h b/ash/system/supervised/tray_supervised_user.h
index dd0429221b103f..3d833638d4995b 100644
--- a/ash/system/supervised/tray_supervised_user.h
+++ b/ash/system/supervised/tray_supervised_user.h
@@ -28,6 +28,8 @@ class ASH_EXPORT TraySupervisedUser : public SystemTrayItem,
   views::View* CreateDefaultView(LoginStatus status) override;
 
   // SessionObserver:
+  void OnActiveUserSessionChanged(const AccountId& account_id) override;
+  void OnUserSessionAdded(const AccountId& account_id) override;
   void OnUserSessionUpdated(const AccountId& account_id) override;
 
  private: