1 files changed, 4 insertions, 4 deletions
diff --git a/src/corelib/animation/qpropertyanimation.cpp b/src/corelib/animation/qpropertyanimation.cpp
index 2a3572d441..d014b5c441 100644
--- a/src/corelib/animation/qpropertyanimation.cpp
+++ b/src/corelib/animation/qpropertyanimation.cpp
@@ -92,7 +92,7 @@ QT_BEGIN_NAMESPACE
 void QPropertyAnimationPrivate::updateMetaProperty()
 {
     if (!target || propertyName.isEmpty()) {
-        propertyType = QVariant::Invalid;
+        propertyType = QMetaType::UnknownType;
         propertyIndex = -1;
         return;
     }
@@ -102,11 +102,11 @@ void QPropertyAnimationPrivate::updateMetaProperty()
     propertyType = targetValue->property(propertyName).userType();
     propertyIndex = targetValue->metaObject()->indexOfProperty(propertyName);
 
-    if (propertyType != QVariant::Invalid)
+    if (propertyType != QMetaType::UnknownType)
         convertValues(propertyType);
     if (propertyIndex == -1) {
         //there is no Q_PROPERTY on the object
-        propertyType = QVariant::Invalid;
+        propertyType = QMetaType::UnknownType;
         if (!targetValue->dynamicPropertyNames().contains(propertyName))
             qWarning("QPropertyAnimation: you're trying to animate a non-existing property %s of your QObject", propertyName.constData());
     } else if (!targetValue->metaObject()->property(propertyIndex).isWritable()) {
@@ -259,7 +259,7 @@ void QPropertyAnimation::updateState(QAbstractAnimation::State newState,
 
     QVariantAnimation::updateState(newState, oldState);
 
-    QPropertyAnimation *animToStop = 0;
+    QPropertyAnimation *animToStop = nullptr;
     {
         static QBasicMutex mutex;
         auto locker = qt_unique_lock(mutex);