diff --git a/messageviewer/src/viewer/renderer/autotests/messageviewerrenderertest.cpp b/messageviewer/src/viewer/renderer/autotests/messageviewerrenderertest.cpp
index 2f9fc3cb..da9bf094 100644
--- a/messageviewer/src/viewer/renderer/autotests/messageviewerrenderertest.cpp
+++ b/messageviewer/src/viewer/renderer/autotests/messageviewerrenderertest.cpp
@@ -1,31 +1,39 @@
 /*
    Copyright (C) 2019 Laurent Montel <montel@kde.org>
 
    Code based on ARHParser.jsm from dkim_verifier (Copyright (c) Philippe Lieser)
    (This software is licensed under the terms of the MIT License.)
 
    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) 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 "messageviewerrenderertest.h"
+#include "viewer/renderer/messageviewerrenderer.h"
 #include <QTest>
 QTEST_MAIN(MessageViewerRendererTest)
 
 MessageViewerRendererTest::MessageViewerRendererTest(QObject *parent)
     : QObject(parent)
 {
 
 }
+
+void MessageViewerRendererTest::shouldHaveDefaultValue()
+{
+    MessageViewer::MessageViewerRenderer w;
+    QVERIFY(!w.currentWidget());
+    QVERIFY(!w.cssHelper());
+}
diff --git a/messageviewer/src/viewer/renderer/autotests/messageviewerrenderertest.h b/messageviewer/src/viewer/renderer/autotests/messageviewerrenderertest.h
index c4068b81..3bd0d34f 100644
--- a/messageviewer/src/viewer/renderer/autotests/messageviewerrenderertest.h
+++ b/messageviewer/src/viewer/renderer/autotests/messageviewerrenderertest.h
@@ -1,36 +1,38 @@
 /*
    Copyright (C) 2019 Laurent Montel <montel@kde.org>
 
    Code based on ARHParser.jsm from dkim_verifier (Copyright (c) Philippe Lieser)
    (This software is licensed under the terms of the MIT License.)
 
    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) 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.
 */
 
 #ifndef MESSAGEVIEWERRENDERERTEST_H
 #define MESSAGEVIEWERRENDERERTEST_H
 
 #include <QObject>
 
 class MessageViewerRendererTest : public QObject
 {
     Q_OBJECT
 public:
     explicit MessageViewerRendererTest(QObject *parent = nullptr);
     ~MessageViewerRendererTest() = default;
+private Q_SLOTS:
+    void shouldHaveDefaultValue();
 };
 
 #endif // MESSAGEVIEWERRENDERERTEST_H