diff --git a/ApplicationCode/UserInterface/RiuSummaryQwtPlot.cpp b/ApplicationCode/UserInterface/RiuSummaryQwtPlot.cpp
index b2e00fa224..3249b02260 100644
--- a/ApplicationCode/UserInterface/RiuSummaryQwtPlot.cpp
+++ b/ApplicationCode/UserInterface/RiuSummaryQwtPlot.cpp
@@ -137,7 +137,8 @@ RiuSummaryQwtPlot::RiuSummaryQwtPlot(RimSummaryPlot* plotDefinition, QWidget* pa
     m_plotMarker = new QwtPlotMarker;
 
     // QwtPlotMarker takes ownership of the symbol, it is deleted in destructor of QwtPlotMarker
-    m_plotMarker->setSymbol(new QwtSymbol(QwtSymbol::Ellipse, Qt::NoBrush, QPen(Qt::black, 2.0), QSize(9, 9)));
+    QwtSymbol* mySymbol = new QwtSymbol(QwtSymbol::Ellipse, Qt::NoBrush, QPen(Qt::black, 2.0), QSize(12, 12));
+    m_plotMarker->setSymbol(mySymbol);
 }
 
 //--------------------------------------------------------------------------------------------------