diff --git a/src/shared/qtsingleapplication/qtlocalpeer.h b/src/shared/qtsingleapplication/qtlocalpeer.h
index bd7f6e9dce0..67a0d42e2c9 100644
--- a/src/shared/qtsingleapplication/qtlocalpeer.h
+++ b/src/shared/qtsingleapplication/qtlocalpeer.h
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#pragma once
+
 #include <qtlockedfile.h>
 
 #include <QLocalServer>
diff --git a/src/shared/qtsingleapplication/qtsingleapplication.h b/src/shared/qtsingleapplication/qtsingleapplication.h
index 3d8e140bb4b..2adbe185426 100644
--- a/src/shared/qtsingleapplication/qtsingleapplication.h
+++ b/src/shared/qtsingleapplication/qtsingleapplication.h
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#pragma once
+
 #include <QApplication>
 
 QT_FORWARD_DECLARE_CLASS(QSharedMemory)