diff --git a/src/CPPlot.cpp b/src/CPPlot.cpp
index f7ea4d213..cc950868c 100644
--- a/src/CPPlot.cpp
+++ b/src/CPPlot.cpp
@@ -1256,7 +1256,7 @@ CPPlot::setRide(RideItem *rideItem)
 void
 CPPlot::pointHover(QwtPlotCurve *curve, int index)
 {
-    if (criticalSeries == CriticalPowerWindow::watts && showBest && curve == modelCurve) 
+    if (criticalSeries == CriticalPowerWindow::watts && showBest && curve == modelCurve && modelCurve != NULL) 
         return; // ignore model curve hover
 
     if (index >= 0) {