diff --git a/kcmkwin/kwindecoration/declarative-plugin/previewitem.cpp b/kcmkwin/kwindecoration/declarative-plugin/previewitem.cpp
index 5153db9774..d31c4dd3b0 100644
--- a/kcmkwin/kwindecoration/declarative-plugin/previewitem.cpp
+++ b/kcmkwin/kwindecoration/declarative-plugin/previewitem.cpp
@@ -43,7 +43,7 @@ namespace Preview
 PreviewItem::PreviewItem(QQuickItem *parent)
     : QQuickPaintedItem(parent)
     , m_decoration(nullptr)
-    , m_windowColor(QPalette().background().color())
+    , m_windowColor(QPalette().window().color())
 {
     setAcceptHoverEvents(true);
     setFiltersChildMouseEvents(true);