diff --git a/clients/aurorae/src/aurorae.cpp b/clients/aurorae/src/aurorae.cpp
index 6e9f4554cd..2cf1f423b9 100644
--- a/clients/aurorae/src/aurorae.cpp
+++ b/clients/aurorae/src/aurorae.cpp
@@ -381,7 +381,7 @@ void Decoration::updateBorders()
     setBorders(*b);
 }
 
-void Decoration::paint(QPainter *painter, const QRegion &repaintRegion)
+void Decoration::paint(QPainter *painter, const QRect &repaintRegion)
 {
     Q_UNUSED(repaintRegion)
     if (!settings()->isAlphaChannelSupported()) {
diff --git a/clients/aurorae/src/aurorae.h b/clients/aurorae/src/aurorae.h
index 462faa8510..802025a342 100644
--- a/clients/aurorae/src/aurorae.h
+++ b/clients/aurorae/src/aurorae.h
@@ -44,7 +44,7 @@ public:
     explicit Decoration(QObject *parent = nullptr, const QVariantList &args = QVariantList());
     virtual ~Decoration();
 
-    void paint(QPainter *painter, const QRegion &repaintRegion) override;
+    void paint(QPainter *painter, const QRect &repaintRegion) override;
 
     Q_INVOKABLE QVariant readConfig(const QString &key, const QVariant &defaultValue = QVariant());
 
diff --git a/kcmkwin/kwindecoration/declarative-plugin/previewbutton.cpp b/kcmkwin/kwindecoration/declarative-plugin/previewbutton.cpp
index d3dd990c2b..2fabcb9858 100644
--- a/kcmkwin/kwindecoration/declarative-plugin/previewbutton.cpp
+++ b/kcmkwin/kwindecoration/declarative-plugin/previewbutton.cpp
@@ -131,7 +131,7 @@ void PreviewButtonItem::paint(QPainter *painter)
     if (!m_button) {
         return;
     }
-    m_button->paint(painter, QRegion(0, 0, width(), height()));
+    m_button->paint(painter, QRect(0, 0, width(), height()));
 }
 
 }
diff --git a/kcmkwin/kwindecoration/declarative-plugin/previewitem.cpp b/kcmkwin/kwindecoration/declarative-plugin/previewitem.cpp
index 3482d7faef..9e26fa0646 100644
--- a/kcmkwin/kwindecoration/declarative-plugin/previewitem.cpp
+++ b/kcmkwin/kwindecoration/declarative-plugin/previewitem.cpp
@@ -154,7 +154,7 @@ void PreviewItem::paint(QPainter *painter)
     int paddingRight  = 0;
     int paddingBottom = 0;
     paintShadow(painter, paddingLeft, paddingRight, paddingTop, paddingBottom);
-    m_decoration->paint(painter, QRegion(0, 0, width(), height()));
+    m_decoration->paint(painter, QRect(0, 0, width(), height()));
     if (m_drawBackground) {
         painter->fillRect(m_decoration->borderLeft(), m_decoration->borderTop(),
                         width() - m_decoration->borderLeft() - m_decoration->borderRight() - paddingLeft - paddingRight,