diff --git a/notificationservice.cpp b/notificationservice.cpp
index dd588a1..2fce1df 100644
--- a/notificationservice.cpp
+++ b/notificationservice.cpp
@@ -14,6 +14,10 @@ NotificationService::NotificationService(QObject * ptr): QObject (ptr) {
     qRegisterMetaType<QList<NotificationData>> ("QList<NotificationData>");
     _history = new HistoryNotificationsModel();
     QQmlEngine::setObjectOwnership(_history, QQmlEngine::CppOwnership);
+
+    connect(_history, &HistoryNotificationsModel::rowsInserted, this, &NotificationService::countNotificationsChanged);
+    connect(_history, &HistoryNotificationsModel::rowsRemoved, this, &NotificationService::countNotificationsChanged);
+    connect(_history, &HistoryNotificationsModel::modelReset, this, &NotificationService::countNotificationsChanged);
 }
 
 NotificationService::~NotificationService() {
diff --git a/notificationservice.h b/notificationservice.h
index 53de8a4..73bf389 100644
--- a/notificationservice.h
+++ b/notificationservice.h
@@ -158,6 +158,8 @@ public:
 
     void sigShowHistory();
 
+    void countNotificationsChanged();
+
 private:
 
     explicit NotificationService(QObject *ptr = nullptr);