diff --git a/src/gui/painting/qpainterstateguard.cpp b/src/gui/painting/qpainterstateguard.cpp
index 96aa182dab8..b62400fa3b6 100644
--- a/src/gui/painting/qpainterstateguard.cpp
+++ b/src/gui/painting/qpainterstateguard.cpp
@@ -30,10 +30,11 @@ QT_BEGIN_NAMESPACE
 */
 
 /*!
-    \fn QPainterStateGuard::QPainterStateGuard(QPainter *painter, InitialState state = Save)
+    \fn QPainterStateGuard::QPainterStateGuard(QPainter *painter, InitialState state = InitialState::Save)
     Constructs a QPainterStateGuard and calls save() on \a painter if \a state
-    is \c Save (which is the default). When QPainterStateGuard is destroyed, restore()
-    is called as often as save() was called to restore the QPainter's state.
+    is \c InitialState::Save (which is the default). When QPainterStateGuard is
+    destroyed, restore() is called as often as save() was called to restore the
+    QPainter's state.
 */
 
 /*!
diff --git a/src/gui/painting/qpainterstateguard.h b/src/gui/painting/qpainterstateguard.h
index dcb7b48f9b0..01e1a0a1163 100644
--- a/src/gui/painting/qpainterstateguard.h
+++ b/src/gui/painting/qpainterstateguard.h
@@ -13,14 +13,13 @@ class QPainterStateGuard
 {
     Q_DISABLE_COPY_MOVE(QPainterStateGuard)
 public:
-    enum InitialState
-    {
+    enum class InitialState : quint8 {
         Save,
         NoSave,
     };
 
     Q_NODISCARD_CTOR
-    explicit QPainterStateGuard(QPainter *painter, InitialState state = Save)
+    explicit QPainterStateGuard(QPainter *painter, InitialState state = InitialState::Save)
         : m_painter(painter)
     {
         Q_ASSERT(painter);