diff --git a/src/widgets/dialogs/configurenotificationwidget.cpp b/src/widgets/dialogs/configurenotificationwidget.cpp
index 0ce13127..37cfb721 100644
--- a/src/widgets/dialogs/configurenotificationwidget.cpp
+++ b/src/widgets/dialogs/configurenotificationwidget.cpp
@@ -1,164 +1,164 @@
 /*
    Copyright (c) 2020 Laurent Montel <montel@kde.org>
 
    This library is free software; you can redistribute it and/or modify
    it under the terms of the GNU Library General Public License as published
    by the Free Software Foundation; either version 2 of the License or
    ( at your option ) version 3 or, at the discretion of KDE e.V.
    ( which shall act as a proxy as in section 14 of the GPLv3 ), any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "configurenotificationwidget.h"
 #include "ruqola.h"
 #include "rocketchataccount.h"
 #include "notificationoptionswrapper.h"
 #include "roomwrapper.h"
 #include "notificationpreferences.h"
 #include "model/notificationpreferencemodel.h"
 #include "model/notificationpreferencemodel.h"
 #include "model/notificationdesktopdurationpreferencemodel.h"
 #include "model/notificationdesktopsoundpreferencemodel.h"
 #include <QVBoxLayout>
 #include <KLocalizedString>
 #include <QFormLayout>
 #include <QCheckBox>
 #include <QGroupBox>
 #include <QComboBox>
 
 ConfigureNotificationWidget::ConfigureNotificationWidget(QWidget *parent)
     : QWidget(parent)
 {
     auto *topLayout = new QVBoxLayout(this);
     topLayout->setObjectName(QStringLiteral("topLayout"));
     topLayout->setContentsMargins(0, 0, 0, 0);
 
     auto *mainLayout = new QFormLayout;
     mainLayout->setObjectName(QStringLiteral("mainLayout"));
     mainLayout->setContentsMargins(0, 0, 0, 0);
     topLayout->addLayout(mainLayout);
 
     mDisableNotification = new QCheckBox(this);
     mDisableNotification->setObjectName(QStringLiteral("mDisableNotification"));
     mainLayout->addRow(i18n("Disable Notification:"), mDisableNotification);
     connect(mDisableNotification, &QCheckBox::clicked, this, [this](bool checked) {
         Ruqola::self()->rocketChatAccount()->changeNotificationsSettings(mRoomWrapper->roomId(), RocketChatAccount::DisableNotifications, checked);
     });
 
     mHideUnreadRoomStatus = new QCheckBox(this);
     mHideUnreadRoomStatus->setObjectName(QStringLiteral("mHideUnreadRoomStatus"));
     mainLayout->addRow(i18n("Hide Unread Room Status:"), mHideUnreadRoomStatus);
     connect(mHideUnreadRoomStatus, &QCheckBox::clicked, this, [this](bool checked) {
         Ruqola::self()->rocketChatAccount()->changeNotificationsSettings(mRoomWrapper->roomId(), RocketChatAccount::HideUnreadStatus, checked);
     });
 
     mMuteGroupMentions = new QCheckBox(this);
     mMuteGroupMentions->setObjectName(QStringLiteral("mMuteGroupMentions"));
     mainLayout->addRow(i18n("Mute Group Mentions:"), mMuteGroupMentions);
     connect(mMuteGroupMentions, &QCheckBox::clicked, this, [this](bool checked) {
         Ruqola::self()->rocketChatAccount()->changeNotificationsSettings(mRoomWrapper->roomId(), RocketChatAccount::MuteGroupMentions, checked);
     });
 
     QGroupBox *desktopGroupBox = new QGroupBox(i18n("Desktop"), this);
     desktopGroupBox->setObjectName(QStringLiteral("desktopGroupBox"));
     topLayout->addWidget(desktopGroupBox);
 
     auto *desktopGroupBoxLayout = new QFormLayout(desktopGroupBox);
     desktopGroupBoxLayout->setObjectName(QStringLiteral("desktopGroupBoxLayout"));
 
     mDesktopAlertCombobox = new QComboBox(this);
     mDesktopAlertCombobox->setObjectName(QStringLiteral("mDesktopAlertCombobox"));
     desktopGroupBoxLayout->addRow(i18n("Alert:"), mDesktopAlertCombobox);
     mDesktopAlertCombobox->setModel(NotificationPreferences::self()->desktopNotificationModel());
-    connect(mDesktopAlertCombobox, &QComboBox::activated, this, [this](int index) {
+    connect(mDesktopAlertCombobox, QOverload<int>::of(&QComboBox::activated), this, [this](int index) {
         Ruqola::self()->rocketChatAccount()->changeNotificationsSettings(mRoomWrapper->roomId(), RocketChatAccount::DesktopNotifications, NotificationPreferences::self()->desktopNotificationModel()->currentPreference(index));
     });
 
     mDesktopAudioCombobox = new QComboBox(this);
     mDesktopAudioCombobox->setObjectName(QStringLiteral("mDesktopAudioCombobox"));
     desktopGroupBoxLayout->addRow(i18n("Audio:"), mDesktopAudioCombobox);
     mDesktopAudioCombobox->setModel(NotificationPreferences::self()->desktopAudioNotificationModel());
-    connect(mDesktopAudioCombobox, &QComboBox::activated, this, [this](int index) {
+    connect(mDesktopAudioCombobox, QOverload<int>::of(&QComboBox::activated), this, [this](int index) {
         Ruqola::self()->rocketChatAccount()->changeNotificationsSettings(mRoomWrapper->roomId(), RocketChatAccount::AudioNotifications, NotificationPreferences::self()->desktopAudioNotificationModel()->currentPreference(index));
     });
 
     mDesktopSoundCombobox = new QComboBox(this);
     mDesktopSoundCombobox->setObjectName(QStringLiteral("mDesktopSoundCombobox"));
     desktopGroupBoxLayout->addRow(i18n("Sound:"), mDesktopSoundCombobox);
     mDesktopSoundCombobox->setModel(NotificationPreferences::self()->desktopSoundNotificationModel());
-    connect(mDesktopSoundCombobox, &QComboBox::activated, this, [this](int index) {
+    connect(mDesktopSoundCombobox, QOverload<int>::of(&QComboBox::activated), this, [this](int index) {
         Ruqola::self()->rocketChatAccount()->changeNotificationsSettings(mRoomWrapper->roomId(), RocketChatAccount::DesktopSoundNotifications, NotificationPreferences::self()->desktopSoundNotificationModel()->currentPreference(index));
     });
 
     mDesktopDurationCombobox = new QComboBox(this);
     mDesktopDurationCombobox->setObjectName(QStringLiteral("mDesktopDurationCombobox"));
     desktopGroupBoxLayout->addRow(i18n("Duration:"), mDesktopDurationCombobox);
     mDesktopDurationCombobox->setModel(NotificationPreferences::self()->desktopDurationNotificationModel());
-    connect(mDesktopDurationCombobox, &QComboBox::activated, this, [this](int index) {
+    connect(mDesktopDurationCombobox, QOverload<int>::of(&QComboBox::activated), this, [this](int index) {
         Ruqola::self()->rocketChatAccount()->changeNotificationsSettings(mRoomWrapper->roomId(), RocketChatAccount::DesktopDurationNotifications, NotificationPreferences::self()->desktopDurationNotificationModel()->currentPreference(index));
     });
 
     QGroupBox *mobileGroupBox = new QGroupBox(i18n("Mobile"), this);
     mobileGroupBox->setObjectName(QStringLiteral("mobileGroupBox"));
     topLayout->addWidget(mobileGroupBox);    
 
     auto *mobileGroupBoxLayout = new QFormLayout(mobileGroupBox);
     mobileGroupBoxLayout->setObjectName(QStringLiteral("mobileGroupBoxLayout"));
 
     mMobileAlertCombobox = new QComboBox(this);
     mMobileAlertCombobox->setObjectName(QStringLiteral("mMobileAlertCombobox"));
     mobileGroupBoxLayout->addRow(i18n("Alert:"), mMobileAlertCombobox);
     mMobileAlertCombobox->setModel(NotificationPreferences::self()->mobileNotificationModel());
-    connect(mMobileAlertCombobox, &QComboBox::activated, this, [this](int index) {
+    connect(mMobileAlertCombobox, QOverload<int>::of(&QComboBox::activated), this, [this](int index) {
         Ruqola::self()->rocketChatAccount()->changeNotificationsSettings(mRoomWrapper->roomId(), RocketChatAccount::MobilePushNotifications, NotificationPreferences::self()->mobileNotificationModel()->currentPreference(index));
     });
 
     QGroupBox *emailGroupBox = new QGroupBox(i18n("Email"), this);
     emailGroupBox->setObjectName(QStringLiteral("emailGroupBox"));
     topLayout->addWidget(emailGroupBox);
 
     auto *emailGroupBoxLayout = new QFormLayout(emailGroupBox);
     emailGroupBoxLayout->setObjectName(QStringLiteral("emailGroupBoxLayout"));
 
     mEmailAlertCombobox = new QComboBox(this);
     mEmailAlertCombobox->setObjectName(QStringLiteral("mEmailAlertCombobox"));
     emailGroupBoxLayout->addRow(i18n("Alert:"), mEmailAlertCombobox);
     mEmailAlertCombobox->setModel(NotificationPreferences::self()->emailNotificationModel());
-    connect(mEmailAlertCombobox, &QComboBox::activated, this, [this](int index) {
+    connect(mEmailAlertCombobox, QOverload<int>::of(&QComboBox::activated), this, [this](int index) {
         Ruqola::self()->rocketChatAccount()->changeNotificationsSettings(mRoomWrapper->roomId(), RocketChatAccount::EmailNotifications, NotificationPreferences::self()->emailNotificationModel()->currentPreference(index));
     });
 }
 
 ConfigureNotificationWidget::~ConfigureNotificationWidget()
 {
 }
 
 RoomWrapper *ConfigureNotificationWidget::roomWrapper() const
 {
     return mRoomWrapper;
 }
 
 void ConfigureNotificationWidget::setRoomWrapper(RoomWrapper *roomWrapper)
 {
     mRoomWrapper = roomWrapper;
     NotificationOptionsWrapper *notificationOptions = mRoomWrapper->notificationOptions();
     mDisableNotification->setChecked(notificationOptions->disableNotifications());
     mHideUnreadRoomStatus->setChecked(notificationOptions->hideUnreadStatus());
     mMuteGroupMentions->setChecked(notificationOptions->muteGroupMentions());
     //TODO connect signal from roomWrapper.
     mDesktopAlertCombobox->setCurrentIndex(NotificationPreferences::self()->desktopNotificationModel()->setCurrentNotificationPreference(notificationOptions->desktopNotifications()));
     mDesktopAudioCombobox->setCurrentIndex(NotificationPreferences::self()->desktopAudioNotificationModel()->setCurrentNotificationPreference(notificationOptions->audioNotifications()));
     mDesktopSoundCombobox->setCurrentIndex(NotificationPreferences::self()->desktopSoundNotificationModel()->setCurrentNotificationPreference(notificationOptions->audioNotificationValue()));
     mDesktopDurationCombobox->setCurrentIndex(NotificationPreferences::self()->desktopDurationNotificationModel()->setCurrentNotificationPreference(QString::number(notificationOptions->desktopNotificationDuration())));
     mMobileAlertCombobox->setCurrentIndex(NotificationPreferences::self()->mobileNotificationModel()->setCurrentNotificationPreference(notificationOptions->mobilePushNotification()));
     mEmailAlertCombobox->setCurrentIndex(NotificationPreferences::self()->emailNotificationModel()->setCurrentNotificationPreference(notificationOptions->emailNotifications()));
 }