--- rkward/windows/rktoolwindowbar.cpp.orig	2022-04-05 11:57:55 UTC
+++ rkward/windows/rktoolwindowbar.cpp
@@ -15,6 +15,7 @@ SPDX-License-Identifier: GPL-2.0-or-later
 #include <kselectaction.h>
 #include <kwidgetsaddons_version.h>
 
+#include <QLayout>
 #include <QSplitter>
 #include <QContextMenuEvent>
 #include <QHBoxLayout>
