diff --git a/src/plugins/help/qlitehtml/container_qpainter.cpp b/src/plugins/help/qlitehtml/container_qpainter.cpp
index e3b41c00209..74a8f440a9c 100644
--- a/src/plugins/help/qlitehtml/container_qpainter.cpp
+++ b/src/plugins/help/qlitehtml/container_qpainter.cpp
@@ -36,6 +36,7 @@
 #include <QGuiApplication>
 #include <QLoggingCategory>
 #include <QPainter>
+#include <QPalette>
 #include <QRegularExpression>
 #include <QScreen>
 #include <QTextLayout>