diff --git a/src/dolphinmainwindow.cpp b/src/dolphinmainwindow.cpp
index 17d9901f9b..e28b18cd3d 100644
--- a/src/dolphinmainwindow.cpp
+++ b/src/dolphinmainwindow.cpp
@@ -235,7 +235,8 @@ void DolphinMainWindow::openFiles(const QStringList& files, bool splitView)
 
 void DolphinMainWindow::activateWindow()
 {
-    KStartupInfo::setNewStartupId(window(), KStartupInfo::startupId());
+    window()->setAttribute(Qt::WA_NativeWindow, true);
+    KStartupInfo::setNewStartupId(window()->windowHandle(), KStartupInfo::startupId());
     KWindowSystem::activateWindow(window()->effectiveWinId());
 }