diff --git a/src/ui/form/opt/pages/optbasepage.h b/src/ui/form/opt/pages/optbasepage.h
index ebda2963..f16c51b2 100644
--- a/src/ui/form/opt/pages/optbasepage.h
+++ b/src/ui/form/opt/pages/optbasepage.h
@@ -34,6 +34,9 @@ class OptBasePage : public QFrame
 public:
     explicit OptBasePage(OptionsController *ctrl, QWidget *parent = nullptr);
 
+public slots:
+    virtual void onPageActivated() { }
+
 protected:
     OptionsController *ctrl() const { return m_ctrl; }
     FortManager *fortManager() const;
diff --git a/src/ui/form/opt/pages/optmainpage.cpp b/src/ui/form/opt/pages/optmainpage.cpp
index 4e07497d..c77caaa1 100644
--- a/src/ui/form/opt/pages/optmainpage.cpp
+++ b/src/ui/form/opt/pages/optmainpage.cpp
@@ -65,7 +65,7 @@ void OptMainPage::setupUi()
 
 void OptMainPage::setupTabBar()
 {
-    auto optionsPage = ControlUtil::wrapToScrollArea(new OptionsPage(ctrl()));
+    auto optionsPage = new OptionsPage(ctrl());
     auto addressesPage = new AddressesPage(ctrl());
     auto rulesPage = new RulesPage(ctrl());
     auto applicationsPage = new ApplicationsPage(ctrl());
@@ -73,8 +73,12 @@ void OptMainPage::setupTabBar()
     auto statisticsPage = new StatisticsPage(ctrl());
     auto schedulePage = new SchedulePage(ctrl());
 
+    m_pages = { optionsPage, addressesPage, rulesPage, applicationsPage, servicesPage,
+        statisticsPage, schedulePage };
+
     m_tabBar = new QTabWidget();
-    m_tabBar->addTab(optionsPage, IconCache::icon(":/icons/cog.png"), QString());
+    m_tabBar->addTab(ControlUtil::wrapToScrollArea(optionsPage), IconCache::icon(":/icons/cog.png"),
+            QString());
     m_tabBar->addTab(addressesPage, IconCache::icon(":/icons/ip.png"), QString());
     m_tabBar->addTab(rulesPage, IconCache::icon(":/icons/source_code.png"), QString());
     m_tabBar->addTab(
@@ -86,6 +90,9 @@ void OptMainPage::setupTabBar()
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
     m_tabBar->setTabVisible(2, false); // TODO: Impl. Network Rules
 #endif
+
+    connect(m_tabBar, &QTabWidget::currentChanged, this,
+            [&](int tabIndex) { m_pages[tabIndex]->onPageActivated(); });
 }
 
 QLayout *OptMainPage::setupDialogButtons()
diff --git a/src/ui/form/opt/pages/optmainpage.h b/src/ui/form/opt/pages/optmainpage.h
index b3418f55..a840b4e5 100644
--- a/src/ui/form/opt/pages/optmainpage.h
+++ b/src/ui/form/opt/pages/optmainpage.h
@@ -32,6 +32,8 @@ private:
     QPushButton *m_btOk = nullptr;
     QPushButton *m_btApply = nullptr;
     QPushButton *m_btCancel = nullptr;
+
+    QVector<OptBasePage *> m_pages;
 };
 
 #endif // OPTMAINPAGE_H
diff --git a/src/ui/form/opt/pages/servicespage.cpp b/src/ui/form/opt/pages/servicespage.cpp
index ed461d57..e18fa4b2 100644
--- a/src/ui/form/opt/pages/servicespage.cpp
+++ b/src/ui/form/opt/pages/servicespage.cpp
@@ -20,8 +20,6 @@ ServicesPage::ServicesPage(OptionsController *ctrl, QWidget *parent) :
     OptBasePage(ctrl, parent), m_serviceListModel(new ServiceListModel(this))
 {
     setupUi();
-
-    serviceListModel()->initialize();
 }
 
 ServiceInfoManager *ServicesPage::serviceInfoManager() const
@@ -29,6 +27,11 @@ ServiceInfoManager *ServicesPage::serviceInfoManager() const
     return IoC<ServiceInfoManager>();
 }
 
+void ServicesPage::onPageActivated()
+{
+    serviceListModel()->initialize();
+}
+
 void ServicesPage::onRetranslateUi()
 {
     m_btRefresh->setText(tr("Refresh"));
diff --git a/src/ui/form/opt/pages/servicespage.h b/src/ui/form/opt/pages/servicespage.h
index b211c323..45f5596d 100644
--- a/src/ui/form/opt/pages/servicespage.h
+++ b/src/ui/form/opt/pages/servicespage.h
@@ -17,6 +17,9 @@ public:
     ServiceListModel *serviceListModel() const { return m_serviceListModel; }
     ServiceInfoManager *serviceInfoManager() const;
 
+public slots:
+    void onPageActivated() override;
+
 protected slots:
     void onRetranslateUi() override;
 
diff --git a/src/ui/serviceinfo/serviceinfomanager.h b/src/ui/serviceinfo/serviceinfomanager.h
index 564d76b3..d21349a4 100644
--- a/src/ui/serviceinfo/serviceinfomanager.h
+++ b/src/ui/serviceinfo/serviceinfomanager.h
@@ -19,9 +19,6 @@ public:
 
     static QVector<ServiceInfo> loadServiceInfoList();
 
-signals:
-    void serviceChanged(quint32 processId, int groupIndex = -1);
-
 private:
     QHash<QString, int> m_serviceGroups;
 };