diff --git a/src/kcmkwin/kwintabbox/main.cpp b/src/kcmkwin/kwintabbox/main.cpp
index bfecdbf02f..b26c4658ca 100644
--- a/src/kcmkwin/kwintabbox/main.cpp
+++ b/src/kcmkwin/kwintabbox/main.cpp
@@ -27,7 +27,7 @@
 #include <KLocalizedString>
 #include <KPluginFactory>
 #include <KTitleWidget>
-#include <KNewStuff3/KNS3/QtQuickDialogWrapper>
+#include <KNS3/Button>
 // Plasma
 #include <KPackage/Package>
 #include <KPackage/PackageLoader>
@@ -58,8 +58,12 @@ KWinTabBoxConfig::KWinTabBoxConfig(QWidget* parent, const QVariantList& args)
     tabWidget->addTab(m_primaryTabBoxUi, i18n("Main"));
     tabWidget->addTab(m_alternativeTabBoxUi, i18n("Alternative"));
 
-    QPushButton* ghnsButton = new QPushButton(QIcon::fromTheme(QStringLiteral("get-hot-new-stuff")), i18n("Get New Task Switchers..."));
-    connect(ghnsButton, &QAbstractButton::clicked, this, &KWinTabBoxConfig::slotGHNS);
+    KNS3::Button *ghnsButton = new KNS3::Button(i18n("Get New Task Switchers..."), QStringLiteral("kwinswitcher.knsrc"), this);
+    connect(ghnsButton, &KNS3::Button::dialogFinished, this, [this] (auto changedEntries) {
+        if (!changedEntries.isEmpty()) {
+            initLayoutLists();
+        }
+    });
 
     QHBoxLayout* buttonBar = new QHBoxLayout();
     QSpacerItem* buttonBarSpacer = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Minimum);
@@ -423,13 +427,6 @@ void KWinTabBoxConfig::configureEffectClicked()
     }
 }
 
-void KWinTabBoxConfig::slotGHNS()
-{
-    if (!KNS3::QtQuickDialogWrapper("kwinswitcher.knsrc").exec().isEmpty()) {
-        initLayoutLists();
-    }
-}
-
 } // namespace
 
 #include "main.moc"
diff --git a/src/kcmkwin/kwintabbox/main.h b/src/kcmkwin/kwintabbox/main.h
index a00e2babcc..0099c052ca 100644
--- a/src/kcmkwin/kwintabbox/main.h
+++ b/src/kcmkwin/kwintabbox/main.h
@@ -42,7 +42,6 @@ private Q_SLOTS:
     void updateUnmanagedState();
     void updateDefaultIndicator();
     void configureEffectClicked();
-    void slotGHNS();
 
 private:
     void updateUiFromConfig(KWinTabBoxConfigForm *form, const TabBox::TabBoxSettings *config);