diff --git a/ApplicationCode/UserInterface/RiuSummaryQwtPlot.cpp b/ApplicationCode/UserInterface/RiuSummaryQwtPlot.cpp
index c66620e49c..7366f9f7cf 100644
--- a/ApplicationCode/UserInterface/RiuSummaryQwtPlot.cpp
+++ b/ApplicationCode/UserInterface/RiuSummaryQwtPlot.cpp
@@ -358,6 +358,19 @@ bool RiuSummaryQwtPlot::eventFilter(QObject* watched, QEvent* event)
 }
 
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RiuSummaryQwtPlot::leaveEvent(QEvent *)
+{
+    if (m_plotMarker->plot())
+    {
+        m_plotMarker->detach();
+
+        replot();
+    }
+}
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationCode/UserInterface/RiuSummaryQwtPlot.h b/ApplicationCode/UserInterface/RiuSummaryQwtPlot.h
index f6360eda64..24fc61b706 100644
--- a/ApplicationCode/UserInterface/RiuSummaryQwtPlot.h
+++ b/ApplicationCode/UserInterface/RiuSummaryQwtPlot.h
@@ -58,7 +58,8 @@ class RiuSummaryQwtPlot : public QwtPlot
     void                            updateClosestCurvePointMarker(const QPointF& pos, int yAxis);
 
 protected:
-    virtual bool                    eventFilter(QObject* watched, QEvent* event);
+    virtual bool                    eventFilter(QObject* watched, QEvent* event) override;
+    virtual void                    leaveEvent(QEvent *) override;
 
 private:
     void                            setDefaults();