diff --git a/src/conf/appearanceconfigpage.h b/src/conf/appearanceconfigpage.h
index 40c97f0af..fcd8d8170 100644
--- a/src/conf/appearanceconfigpage.h
+++ b/src/conf/appearanceconfigpage.h
@@ -1,39 +1,40 @@
 /* -*- mode: c++; c-basic-offset:4 -*-
     conf/appearanceconfigpage.h
 
     This file is part of Kleopatra, the KDE keymanager
     SPDX-FileCopyrightText: 2004, 2008 Klarälvdalens Datakonsult AB
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include <KCModule>
 namespace Kleo
 {
 namespace Config
 {
 
 class AppearanceConfigWidget;
 
 /**
  * "Appearance" configuration page for kleopatra's configuration dialog
  */
 class AppearanceConfigurationPage : public KCModule
 {
     Q_OBJECT
 public:
     explicit AppearanceConfigurationPage(QWidget *parent = nullptr, const QVariantList &args = QVariantList());
 
+public Q_SLOTS:
     void load() override;
     void save() override;
     void defaults() override;
 
 private:
     AppearanceConfigWidget *mWidget;
 };
 
 }
 }
 
diff --git a/src/conf/cryptooperationsconfigpage.h b/src/conf/cryptooperationsconfigpage.h
index 97bf000ec..5c0dcef6e 100644
--- a/src/conf/cryptooperationsconfigpage.h
+++ b/src/conf/cryptooperationsconfigpage.h
@@ -1,39 +1,40 @@
 /* -*- mode: c++; c-basic-offset:4 -*-
     conf/cryptooperationsconfigpage.h
 
     This file is part of Kleopatra, the KDE keymanager
     SPDX-FileCopyrightText: 2010 Klarälvdalens Datakonsult AB
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include <KCModule>
 namespace Kleo
 {
 namespace Config
 {
 
 class CryptoOperationsConfigWidget;
 
 /**
  * "Crypto Operations" configuration page for kleopatra's configuration dialog
  */
 class CryptoOperationsConfigurationPage : public KCModule
 {
     Q_OBJECT
 public:
     explicit CryptoOperationsConfigurationPage(QWidget *parent = nullptr, const QVariantList &args = QVariantList());
 
+public Q_SLOTS:
     void load() override;
     void save() override;
     void defaults() override;
 
 private:
     CryptoOperationsConfigWidget *mWidget;
 };
 
 }
 }
 
diff --git a/src/conf/dirservconfigpage.h b/src/conf/dirservconfigpage.h
index 76851be77..aaae15ad0 100644
--- a/src/conf/dirservconfigpage.h
+++ b/src/conf/dirservconfigpage.h
@@ -1,35 +1,36 @@
 /* -*- mode: c++; c-basic-offset:4 -*-
     conf/dirservconfigpage.h
 
     This file is part of Kleopatra, the KDE keymanager
     SPDX-FileCopyrightText: 2004, 2008 Klarälvdalens Datakonsult AB
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include <KCModule>
 
 #include <memory>
 
 /**
  * "Directory Services" configuration page for kleopatra's configuration dialog
  * The user can configure LDAP servers in this page, to be used for listing/fetching
  * remote certificates in kleopatra.
  */
 class DirectoryServicesConfigurationPage : public KCModule
 {
     Q_OBJECT
 public:
     explicit DirectoryServicesConfigurationPage(QWidget *parent = nullptr, const QVariantList &args = {});
     ~DirectoryServicesConfigurationPage() override;
 
+public Q_SLOTS:
     void load() override;
     void save() override;
     void defaults() override;
 
 private:
     class Private;
     const std::unique_ptr<Private> d;
 };
diff --git a/src/conf/gnupgsystemconfigurationpage.h b/src/conf/gnupgsystemconfigurationpage.h
index b7b64a30e..481df4109 100644
--- a/src/conf/gnupgsystemconfigurationpage.h
+++ b/src/conf/gnupgsystemconfigurationpage.h
@@ -1,39 +1,40 @@
 /* -*- mode: c++; c-basic-offset:4 -*-
     conf/gnupgsystemconfigurationpage.h
 
     This file is part of Kleopatra, the KDE keymanager
     SPDX-FileCopyrightText: 2008 Klarälvdalens Datakonsult AB
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #pragma once
 
 #include <KCModule>
 namespace Kleo
 {
 class CryptoConfigModule;
 }
 
 namespace Kleo
 {
 namespace Config
 {
 
 class GnuPGSystemConfigurationPage : public KCModule
 {
     Q_OBJECT
 public:
     explicit GnuPGSystemConfigurationPage(QWidget *parent = nullptr, const QVariantList &args = QVariantList());
     ~GnuPGSystemConfigurationPage() override;
 
+public Q_SLOTS:
     void load() override;
     void save() override;
     void defaults() override;
 
 private:
     Kleo::CryptoConfigModule *mWidget;
 };
 
 }
 }
 
diff --git a/src/conf/smimevalidationconfigurationpage.h b/src/conf/smimevalidationconfigurationpage.h
index 55697ebcb..eaa0344d9 100644
--- a/src/conf/smimevalidationconfigurationpage.h
+++ b/src/conf/smimevalidationconfigurationpage.h
@@ -1,35 +1,36 @@
 /* -*- mode: c++; c-basic-offset:4 -*-
     conf/smimevalidationconfigurationpage.h
 
     This file is part of Kleopatra, the KDE keymanager
     SPDX-FileCopyrightText: 2008 Klarälvdalens Datakonsult AB
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #pragma once
 
 #include <KCModule>
 namespace Kleo
 {
 namespace Config
 {
 
 class SMimeValidationConfigurationWidget;
 
 class SMimeValidationConfigurationPage : public KCModule
 {
     Q_OBJECT
 public:
     explicit SMimeValidationConfigurationPage(QWidget *parent = nullptr, const QVariantList &args = QVariantList());
 
+public Q_SLOTS:
     void load() override;
     void save() override;
     void defaults() override;
 
 private:
     SMimeValidationConfigurationWidget *mWidget;
 };
 
 }
 }