1 files changed, 4 insertions, 4 deletions
diff --git a/examples/surface/surfacegraph.cpp b/examples/surface/surfacegraph.cpp
index 7008a32b..be9e4573 100644
--- a/examples/surface/surfacegraph.cpp
+++ b/examples/surface/surfacegraph.cpp
@@ -91,8 +91,8 @@ void SurfaceGraph::enableSqrtSinModel(bool enable)
 {
     if (enable) {
         //! [3]
-        m_graph->setSurfaceGridEnabled(true);
-        m_graph->setSmoothSurfaceEnabled(false);
+        m_sqrtSinSeries->setSurfaceGridEnabled(true);
+        m_sqrtSinSeries->setFlatShadingEnabled(true);
 
         m_graph->axisX()->setLabelFormat("%.2f");
         m_graph->axisZ()->setLabelFormat("%.2f");
@@ -124,8 +124,8 @@ void SurfaceGraph::enableHeightMapModel(bool enable)
 {
     if (enable) {
         //! [4]
-        m_graph->setSurfaceGridEnabled(false);
-        m_graph->setSmoothSurfaceEnabled(true);
+        m_heightMapSeries->setSurfaceGridEnabled(false);
+        m_heightMapSeries->setFlatShadingEnabled(false);
 
         m_graph->axisX()->setLabelFormat("%.1f N");
         m_graph->axisZ()->setLabelFormat("%.1f E");