diff --git a/kate/kateapp.cpp b/kate/kateapp.cpp
--- a/kate/kateapp.cpp
+++ b/kate/kateapp.cpp
@@ -30,6 +30,7 @@
 #include <KSharedConfig>
 #include <KStartupInfo>
 #include <KWindowInfo>
+#include <kwindowsystem_version.h>
 
 #include <QApplication>
 #include <QCommandLineParser>
@@ -162,7 +163,13 @@
     }
 
     // notify about start
-    KStartupInfo::setNewStartupId(activeKateMainWindow(), KStartupInfo::startupId());
+    QWidget *win = activeKateMainWindow();
+#if KWINDOWSYSTEM_VERSION >= QT_VERSION_CHECK(5,62,0)
+    win->setAttribute(Qt::WA_NativeWindow, true);
+    KStartupInfo::setNewStartupId(win->windowHandle(), KStartupInfo::startupId());
+#else
+    KStartupInfo::setNewStartupId(win, KStartupInfo::startupId());
+#endif
 
     QTextCodec *codec = m_args.isSet(QStringLiteral("encoding")) ? QTextCodec::codecForName(m_args.value(QStringLiteral("encoding")).toUtf8()) : nullptr;
     bool tempfileSet = m_args.isSet(QStringLiteral("tempfile"));
diff --git a/kate/kateappadaptor.cpp b/kate/kateappadaptor.cpp
--- a/kate/kateappadaptor.cpp
+++ b/kate/kateappadaptor.cpp
@@ -27,6 +27,7 @@
 
 #include <KStartupInfo>
 #include <KWindowSystem>
+#include <kwindowsystem_version.h>
 
 #include <QApplication>
 
@@ -53,7 +54,12 @@
     win->activateWindow();
 
     // try to raise window, see bug 407288
+#if KWINDOWSYSTEM_VERSION >= QT_VERSION_CHECK(5,62,0)
+    win->setAttribute(Qt::WA_NativeWindow, true);
+    KStartupInfo::setNewStartupId(win->windowHandle(), KStartupInfo::startupId());
+#else
     KStartupInfo::setNewStartupId(win, KStartupInfo::startupId());
+#endif
     KWindowSystem::activateWindow(win->effectiveWinId());
 }