diff --git a/qt/pinentryconfirm.cpp b/qt/pinentryconfirm.cpp
index 67b93c1..101e18c 100644
--- a/qt/pinentryconfirm.cpp
+++ b/qt/pinentryconfirm.cpp
@@ -1,78 +1,78 @@
 /* pinentryconfirm.cpp - A QMessageBox with a timeout
  *
  * Copyright (C) 2011 Ben Kibbey <bjk@luxsci.net>
  *
  * 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) 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.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <https://www.gnu.org/licenses/>.
  * SPDX-License-Identifier: GPL-2.0+
  */
 
 #include "pinentryconfirm.h"
 
 #include "accessibility.h"
 #include "pinentrydialog.h"
 
 #include <QAbstractButton>
 #include <QGridLayout>
 #include <QSpacerItem>
 #include <QFontMetrics>
 
 PinentryConfirm::PinentryConfirm(Icon icon, int timeout, const QString &title,
                                  const QString &desc, StandardButtons buttons, QWidget *parent) :
     QMessageBox(icon, title, desc, buttons, parent)
 {
     _timed_out = false;
     if (timeout > 0) {
         _timer = new QTimer(this);
         connect(_timer, SIGNAL(timeout()), this, SLOT(slotTimeout()));
         _timer->start(timeout * 1000);
     }
     Accessibility::setDescription(this, desc);
     Accessibility::setName(this, title);
     raiseWindow(this);
 }
 
 bool PinentryConfirm::timedOut() const
 {
     return _timed_out;
 }
 
 void PinentryConfirm::showEvent(QShowEvent *event)
 {
     static bool resized;
     if (!resized) {
         QGridLayout* lay = dynamic_cast<QGridLayout*> (layout());
         if (lay) {
             QSize textSize = fontMetrics().size(Qt::TextExpandTabs, text(), fontMetrics().maxWidth());
             QSpacerItem* horizontalSpacer = new QSpacerItem(textSize.width() + iconPixmap().width(),
                                                             0, QSizePolicy::Minimum, QSizePolicy::Expanding);
             lay->addItem(horizontalSpacer, lay->rowCount(), 1, 1, lay->columnCount() - 1);
         }
         resized = true;
     }
 
-    QDialog::showEvent(event);
+    QMessageBox::showEvent(event);
     raiseWindow(this);
 }
 
 void PinentryConfirm::slotTimeout()
 {
     QAbstractButton *b = button(QMessageBox::Cancel);
     _timed_out = true;
 
     if (b) {
         b->animateClick(0);
     }
 }
 
 #include "pinentryconfirm.moc"