diff --git a/core/pluginloader.cpp b/core/pluginloader.cpp
index b1e893a9a..72981ae50 100644
--- a/core/pluginloader.cpp
+++ b/core/pluginloader.cpp
@@ -122,7 +122,7 @@ QSet<QString> PluginLoader::pluginsForCapabilities(const QSet<QString> &incoming
         if (!supportedDeviceTypes.isEmpty()) {
             if (!supportedDeviceTypes.contains(myDeviceType)) {
                 qCDebug(KDECONNECT_CORE) << "Not loading plugin" << service.pluginId() << "because this device of type" << myDeviceType
-                                         << "is not supported. Supports:" << supportedDeviceTypes.toList().join(QStringLiteral(", "));
+                                         << "is not supported. Supports:" << supportedDeviceTypes.join(QStringLiteral(", "));
                 continue;
             }
         }
diff --git a/kcm/kcm.cpp b/kcm/kcm.cpp
index 79e7c907d..c2fbfbb8a 100644
--- a/kcm/kcm.cpp
+++ b/kcm/kcm.cpp
@@ -28,7 +28,7 @@ static QString createId()
 }
 
 KdeConnectKcm::KdeConnectKcm(QObject *parent, const QVariantList &args)
-    : KCModule(parent)
+    : KCModule(qobject_cast<QWidget *>(parent))
     , kcmUi(new Ui::KdeConnectKcmUi())
     , daemon(new DaemonDbusInterface(this))
     , devicesModel(new DevicesModel(this))
diff --git a/kcm/kcm.h b/kcm/kcm.h
index 93bb0908a..840d16bb5 100644
--- a/kcm/kcm.h
+++ b/kcm/kcm.h
@@ -9,6 +9,7 @@
 
 #include <KCModule>
 #include <QStandardItemModel>
+#include <kconfigwidgets_version.h>
 
 class QModelIndex;
 class DeviceDbusInterface;
@@ -28,6 +29,13 @@ public:
     KdeConnectKcm(QObject *parent, const QVariantList &);
     ~KdeConnectKcm() override;
 
+#if KCONFIGWIDGETS_VERSION < QT_VERSION_CHECK(5, 105, 0)
+    QWidget *widget()
+    {
+        return this;
+    }
+#endif
+
 private:
     void save() override;
 
diff --git a/kcmplugin/kdeconnectpluginkcm.cpp b/kcmplugin/kdeconnectpluginkcm.cpp
index f742e4d9d..f0a2e92d2 100644
--- a/kcmplugin/kdeconnectpluginkcm.cpp
+++ b/kcmplugin/kdeconnectpluginkcm.cpp
@@ -16,7 +16,7 @@ struct KdeConnectPluginKcmPrivate {
 };
 
 KdeConnectPluginKcm::KdeConnectPluginKcm(QObject *parent, const QVariantList &args, const QString &pluginName)
-    : KCModule(parent, args)
+    : KCModule(qobject_cast<QWidget *>(parent), args)
     , d(new KdeConnectPluginKcmPrivate())
 {
     d->m_deviceId = args.at(0).toString();
diff --git a/kcmplugin/kdeconnectpluginkcm.h b/kcmplugin/kdeconnectpluginkcm.h
index bfc4c2f78..7c34b7d45 100644
--- a/kcmplugin/kdeconnectpluginkcm.h
+++ b/kcmplugin/kdeconnectpluginkcm.h
@@ -8,6 +8,7 @@
 #define KDECONNECTPLUGINKCM_H
 
 #include <KCModule>
+#include <kconfigwidgets_version.h>
 
 #include "core/kdeconnectpluginconfig.h"
 #include "kdeconnectpluginkcm_export.h"
@@ -36,6 +37,13 @@ public:
      */
     KdeConnectPluginConfig *config() const;
 
+#if KCONFIGWIDGETS_VERSION < QT_VERSION_CHECK(5, 105, 0)
+    QWidget *widget()
+    {
+        return this;
+    }
+#endif
+
 private:
     QScopedPointer<KdeConnectPluginKcmPrivate> d;
 };