diff --git a/qmlplugin/declarativechart.cpp b/qmlplugin/declarativechart.cpp
index 6151af8..bcd42d4 100644
--- a/qmlplugin/declarativechart.cpp
+++ b/qmlplugin/declarativechart.cpp
@@ -14,9 +14,7 @@ DeclarativeChart::DeclarativeChart(QDeclarativeItem *parent)
 DeclarativeChart::ChartTheme DeclarativeChart::theme()
 {
     if (m_chart)
-        return (ChartTheme) m_chart->theme();
-    else
-        return ThemeInvalid;
+        return (ChartTheme) m_chart->chartTheme();
 }
 
 void DeclarativeChart::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
diff --git a/qmlplugin/declarativechart.h b/qmlplugin/declarativechart.h
index f2d0b1f..99678a8 100644
--- a/qmlplugin/declarativechart.h
+++ b/qmlplugin/declarativechart.h
@@ -17,7 +17,6 @@ class DeclarativeChart : public QDeclarativeItem
 
 public:
     enum ChartTheme {
-        ThemeInvalid = QChart::ChartThemeInvalid,
         ThemeDefault,
         ThemeVanilla,
         ThemeIcy,
@@ -31,7 +30,7 @@ public: // From QDeclarativeItem/QGraphicsItem
     void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
 
 public:
-    void setTheme(ChartTheme theme) {m_chart->setTheme((QChart::ChartThemeId) theme);}
+    void setTheme(ChartTheme theme) {m_chart->setChartTheme((QChart::ChartTheme) theme);}
     ChartTheme theme();
 
 public:
diff --git a/test/chartwidgettest/mainwidget.cpp b/test/chartwidgettest/mainwidget.cpp
index 390a8ce..d648eff 100644
--- a/test/chartwidgettest/mainwidget.cpp
+++ b/test/chartwidgettest/mainwidget.cpp
@@ -363,7 +363,7 @@ void MainWidget::yMaxChanged(int value)
 void MainWidget::changeChartTheme(int themeIndex)
 {
     qDebug() << "changeChartTheme: " << themeIndex;
-    m_chartWidget->setTheme((QChart::ChartThemeId) themeIndex);
+    m_chartWidget->setChartTheme((QChart::ChartTheme) themeIndex);
 }
 
 void MainWidget::setPieSizeFactor(double size)