diff --git a/ApplicationCode/ProjectDataModel/RimWellLogPlot.cpp b/ApplicationCode/ProjectDataModel/RimWellLogPlot.cpp
index 3162f9a8d9..f207f42c57 100644
--- a/ApplicationCode/ProjectDataModel/RimWellLogPlot.cpp
+++ b/ApplicationCode/ProjectDataModel/RimWellLogPlot.cpp
@@ -101,7 +101,8 @@ RimWellLogPlot::~RimWellLogPlot()
 //--------------------------------------------------------------------------------------------------
 void RimWellLogPlot::updateViewerWidget()
 {
-    RiuMainPlotWindow* mainPlotWindow = RiaApplication::instance()->getOrCreateAndShowMainPlotWindow();
+    RiuMainPlotWindow* mainPlotWindow = RiaApplication::instance()->mainPlotWindow();
+    if (!mainPlotWindow) return;
 
     if (m_showWindow())
     {
diff --git a/ApplicationCode/ProjectDataModel/RimWellLogTrack.cpp b/ApplicationCode/ProjectDataModel/RimWellLogTrack.cpp
index 428887f718..c69c291c65 100644
--- a/ApplicationCode/ProjectDataModel/RimWellLogTrack.cpp
+++ b/ApplicationCode/ProjectDataModel/RimWellLogTrack.cpp
@@ -236,11 +236,9 @@ void RimWellLogTrack::availableDepthRange(double* minimumDepth, double* maximumD
 //--------------------------------------------------------------------------------------------------
 void RimWellLogTrack::loadDataAndUpdate()
 {
-    CVF_ASSERT(m_wellLogTrackPlotWidget);
-
     RimWellLogPlot* wellLogPlot;
     firstAncestorOrThisOfType(wellLogPlot);
-    if (wellLogPlot)
+    if (wellLogPlot && m_wellLogTrackPlotWidget)
     {
         m_wellLogTrackPlotWidget->setDepthTitle(wellLogPlot->depthPlotTitle());
     }