diff --git a/src/tests/demo_konsolepart/src/demo_konsolepart.cpp b/src/tests/demo_konsolepart/src/demo_konsolepart.cpp
index 581fd4f1..08e75c1e 100644
--- a/src/tests/demo_konsolepart/src/demo_konsolepart.cpp
+++ b/src/tests/demo_konsolepart/src/demo_konsolepart.cpp
@@ -1,107 +1,108 @@
 /*
  Copyright 2017 by Kurt Hindenburg <kurt.hindenburg@gmail.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 of
  the License or (at your option) version 3 or any later version
  accepted by the membership of KDE e.V. (or its successor approved
  by the membership of KDE e.V.), which shall act as a proxy 
  defined in Section 14 of version 3 of the license.
 
  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.
 
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "demo_konsolepart.h"
 
 #include <QApplication>
 #include <QMenu>
 #include <QMenuBar>
 #include <QDebug>
 
 #include <KPluginLoader>
 #include <KPluginFactory>
 #include <KService>
 #include <KStandardAction>
 #include <KWindowSystem>
+#include <KWindowEffects>
 
 // see below notes
 //#include "../../../WindowSystemInfo.h"
 
 demo_konsolepart::demo_konsolepart()
     : KMainWindow(),
       _mainWindow(nullptr),
       _terminalPart(nullptr),
       _terminal(nullptr)
 {
     const bool useTranslucency = KWindowSystem::compositingActive();
 
     setAttribute(Qt::WA_TranslucentBackground, useTranslucency);
     setAttribute(Qt::WA_NoSystemBackground, false);
 
     // This is used in EditProfileDialog to show the warnings about
     // transparency issues - needs refactoring as the above
     // include does not work
 //    WindowSystemInfo::HAVE_TRANSPARENCY = useTranslucency;
 
     // Create terminal part and embed in into the main window
     _terminalPart = createPart();
     if (_terminalPart == nullptr) {
         return;
     }
 
     QMenu* fileMenu = menuBar()->addMenu(QStringLiteral("File"));
     QAction* manageProfilesAction = fileMenu->addAction(QStringLiteral("Manage Profiles..."));
     connect(manageProfilesAction, &QAction::triggered, this, &demo_konsolepart::manageProfiles);
     QAction* quitAction = fileMenu->addAction(QStringLiteral("Quit"));
     connect(quitAction, &QAction::triggered, this, &demo_konsolepart::quit);
 
     connect(_terminalPart, &KParts::ReadOnlyPart::destroyed, this, &demo_konsolepart::quit);
 
     setCentralWidget(_terminalPart->widget());
     _terminal = qobject_cast<TerminalInterface*>(_terminalPart);
 
     // Test if blur is enabled for profile
     bool blurEnabled;
     QMetaObject::invokeMethod(_terminalPart, "isBlurEnabled",
                               Qt::DirectConnection,
                               Q_RETURN_ARG(bool, blurEnabled));
     qWarning()<<"blur enabled: "<<blurEnabled;
-
+    KWindowEffects::enableBlurBehind(winId(), blurEnabled);
 }
 
 demo_konsolepart::~demo_konsolepart()
 {
     if (_terminalPart != nullptr) {
         disconnect(_terminalPart, &KParts::ReadOnlyPart::destroyed, this, &demo_konsolepart::quit);
     }
 }
 
 KParts::ReadOnlyPart* demo_konsolepart::createPart()
 {
     KService::Ptr service = KService::serviceByDesktopName(QStringLiteral("konsolepart"));
     Q_ASSERT(service);
     KPluginFactory* factory = KPluginLoader(service->library()).factory();
     Q_ASSERT(factory);
 
     KParts::ReadOnlyPart* terminalPart = factory->create<KParts::ReadOnlyPart>(this);
 
     return terminalPart;
 }
 
 void demo_konsolepart::manageProfiles()
 {
     QMetaObject::invokeMethod(_terminalPart, "showManageProfilesDialog",
         Qt::QueuedConnection, Q_ARG(QWidget*, QApplication::activeWindow()));
 }
 
 void demo_konsolepart::quit()
 {
     close();
 }