diff --git a/core/dplugins/generic/webservices/vkontakte/backend/vkontakte_authenticationdialog.cpp b/core/dplugins/generic/webservices/vkontakte/backend/vkontakte_authenticationdialog.cpp
index 2ce707863f..4b2f67cba4 100644
--- a/core/dplugins/generic/webservices/vkontakte/backend/vkontakte_authenticationdialog.cpp
+++ b/core/dplugins/generic/webservices/vkontakte/backend/vkontakte_authenticationdialog.cpp
@@ -1,247 +1,248 @@
 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2011-02-19
  * Description : a tool to export images to VKontakte web service
  *
  * Copyright (C) 2010      by Thomas McGuire <mcguire at kde dot org>
  * Copyright (C) 2011-2015 by Alexander Potashev <aspotashev at gmail dot com>
  * Copyright (C) 2011-2020 by Gilles Caulier <caulier dot gilles at gmail dot com>
  *
  * This program is free software; you can redistribute it
  * and/or modify it under the terms of the GNU General
  * Public License as published by the Free Software Foundation;
  * either version 2, or (at your option) any later version.
  *
  * This program 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 General Public License for more details.
  *
  * ============================================================ */
 
 #include "vkontakte_authenticationdialog.h"
 #include "digikam_config.h"
 
 // Qt includes
 
 #ifdef HAVE_QWEBENGINE
 #   include <QWebEngineView>
 #   include <QWebEnginePage>
 #   include <QWebEngineProfile>
 #   include <QWebEngineCookieStore>
 #else
 #   include <qwebview.h>
 #endif
 
 #include <QMessageBox>
 #include <QTimer>
 #include <QUrlQuery>
 #include <QVBoxLayout>
 #include <QLabel>
 #include <QProgressBar>
 #include <QDialogButtonBox>
+#include <QNetworkCookieJar>
 
 // KDE incudes
 
 #include <klocalizedstring.h>
 
 // Local includes
 
 #include "digikam_debug.h"
 #include "vkontakte_util.h"
 
 namespace Vkontakte
 {
 
 class Q_DECL_HIDDEN AuthenticationDialog::Private
 {
 public:
 
     QString                          appId;
     Vkontakte::AppPermissions::Value permissions;
     QString                          displayMode;
 
 #ifdef HAVE_QWEBENGINE
 
     QWebEngineView*                  webView;
 
 #else
 
     QWebView*                        webView;
 
 #endif
 
     QProgressBar*                    progressBar;
 
     QString                          error;
     QString                          errorDescription;
 };
 
 AuthenticationDialog::AuthenticationDialog(QWidget* const parent)
     : QDialog(parent),
       d(new Private)
 {
     d->displayMode                    = QLatin1String("page");
 
     setWindowTitle(i18nc("@title:window", "Authenticate with VKontakte"));
     setAttribute(Qt::WA_DeleteOnClose, true);
 
     QWidget* const progressWidget     = new QWidget(this);
     QHBoxLayout* const progressLayout = new QHBoxLayout(progressWidget);
     progressLayout->setContentsMargins(QMargins());
 
 #ifdef HAVE_QWEBENGINE
 
     d->webView = new QWebEngineView(this);
     d->webView->page()->profile()->cookieStore()->deleteAllCookies();
 
 #else
 
     d->webView = new QWebView(this);
     d->webView->settings()->setAttribute(QWebSettings::LocalStorageEnabled, true);
     d->webView->page()->networkAccessManager()->setCookieJar(new QNetworkCookieJar());
 
 #endif
 
     d->progressBar              = new QProgressBar(this);
     d->progressBar->setRange(0, 100);
     QLabel* const progressLabel = new QLabel(i18n("Loading Page:"), this);
     progressLayout->addWidget(progressLabel);
     progressLayout->addWidget(d->progressBar);
 
     // Buttons
     QDialogButtonBox* const buttonBox = new QDialogButtonBox(QDialogButtonBox::Cancel, this);
 
     connect(buttonBox, &QDialogButtonBox::rejected,
             this, &QDialog::reject);
 
     // Layout
     QVBoxLayout* const layout = new QVBoxLayout(this);
     layout->addWidget(progressWidget);
     layout->addWidget(d->webView);
     layout->addWidget(buttonBox);
     setLayout(layout);
 
     connect(buttonBox, &QDialogButtonBox::rejected,
             this, &AuthenticationDialog::canceled);
 
     connect(d->webView, SIGNAL(urlChanged(QUrl)),
             this, SLOT(urlChanged(QUrl)));
 
     connect(d->webView, SIGNAL(loadStarted()),
             progressWidget, SLOT(show()));
 
     connect(d->webView, SIGNAL(loadFinished(bool)),
             progressWidget, SLOT(hide()));
 
     connect(d->webView, SIGNAL(loadProgress(int)),
             d->progressBar, SLOT(setValue(int)));
 
     connect(d->webView, SIGNAL(loadFinished(bool)),
             this, SLOT(loadFinished(bool)));
 }
 
 AuthenticationDialog::~AuthenticationDialog()
 {
     delete d;
 }
 
 void AuthenticationDialog::setAppId(const QString& appId)
 {
     d->appId = appId;
 }
 
 void Vkontakte::AuthenticationDialog::setPermissions(Vkontakte::AppPermissions::Value permissions)
 {
     d->permissions = permissions;
 }
 
 // display= {page, popup, touch, wap}
 void AuthenticationDialog::setDisplayMode(const QString& displayMode)
 {
     d->displayMode = displayMode;
 }
 
 void AuthenticationDialog::start()
 {
     Q_ASSERT(!d->appId.isEmpty());
 
     const QString url = QString::fromUtf8(
         "http://oauth.vk.com/authorize?"
         "client_id=%1&"
         "scope=%2&"
         "redirect_uri=http://oauth.vk.com/blank.html&"
         "display=%3&"
         "response_type=token")
         .arg(d->appId)
         .arg(appPermissionsToStringList(d->permissions).join(QLatin1String(",")))
         .arg(d->displayMode);
 
     qCDebug(DIGIKAM_WEBSERVICES_LOG) << "Showing" << url;
     d->webView->setUrl(QUrl::fromUserInput(url));
     show();
 }
 
 void AuthenticationDialog::showErrorDialog()
 {
     hide();
     const QString details = i18n("<b>VKontakte Error Description:</b> %1<br>"
                                  "<b>VKontakte Error:</b> %2<br>", d->errorDescription, d->error);
     QMessageBox::warning(this, i18n("Authentication with VKontakte was not successful."),
                          details, i18nc("@title:window", "Authentication Problem"));
     emit canceled();
     close();
 }
 
 void AuthenticationDialog::urlChanged(const QUrl& url)
 {
     qCDebug(DIGIKAM_WEBSERVICES_LOG) << "Navigating to" << url;
 
     if ((url.host() == QLatin1String("oauth.vk.com")) &&
         (url.path() == QLatin1String("/blank.html")))
     {
         const QUrlQuery query(url);
 
         d->error            = query.queryItemValue(QLatin1String("error"));
         d->errorDescription = query.queryItemValue(QLatin1String("error_description")).replace(QLatin1Char('+'), QLatin1Char(' '));
 
         if (!d->error.isEmpty() || !d->errorDescription.isEmpty())
         {
             QTimer::singleShot(0, this, SLOT(showErrorDialog()));
             return;
         }
 
         // The URL comes in the form "bla#access_token=bla&expires_in=foo", we need to convert from
         // # to ?
         const QUrl fixedURL          = QUrl::fromUserInput(url.toString().replace(QLatin1Char('#'), QLatin1Char('?')));
         const QUrlQuery fixedQuery(fixedURL);
         const QString accessToken    = fixedQuery.queryItemValue(QLatin1String("access_token"));
         const QString tokenExpiresIn = fixedQuery.queryItemValue(QLatin1String("expires_in")); // TODO: use this for something?
 
         if (!accessToken.isEmpty())
         {
             emit authenticated(accessToken);
             QTimer::singleShot(0, this, SLOT(close()));
         }
     }
 }
 
 void AuthenticationDialog::loadFinished(bool ok)
 {
     if (!ok)
     {
         hide();
 
         QMessageBox::critical(parentWidget(),
                               i18n("There was a network error when trying to authenticate with VKontakte web service."),
                               i18nc("@title:window", "Network Error"));
 
         emit canceled();
         close();
     }
 }
 
 } // namespace Vkontakte