diff --git a/ApplicationCode/ProjectDataModel/RimWellLogExtractionCurve.cpp b/ApplicationCode/ProjectDataModel/RimWellLogExtractionCurve.cpp
index 4bf3e65f6c..f4be3a33d3 100644
--- a/ApplicationCode/ProjectDataModel/RimWellLogExtractionCurve.cpp
+++ b/ApplicationCode/ProjectDataModel/RimWellLogExtractionCurve.cpp
@@ -350,9 +350,10 @@ void RimWellLogExtractionCurve::onLoadDataAndUpdate( bool updateParentPlot )
             isUsingPseudoLength = false;
         }
 
-        m_qwtPlotCurve->setSamples( curveData()->xPlotValues().data(),
-                                    curveData()->depthPlotValues( depthType, displayUnit ).data(),
-                                    static_cast<int>( curveData()->xPlotValues().size() ) );
+        std::vector<double> xPlotValues     = curveData()->xPlotValues();
+        std::vector<double> depthPlotValues = curveData()->depthPlotValues( depthType, displayUnit );
+        CAF_ASSERT( xPlotValues.size() == depthPlotValues.size() );
+        m_qwtPlotCurve->setSamples( xPlotValues.data(), depthPlotValues.data(), static_cast<int>( xPlotValues.size() ) );
 
         m_qwtPlotCurve->setLineSegmentStartStopIndices( curveData()->polylineStartStopIndices() );
 
diff --git a/ApplicationCode/ReservoirDataModel/RigWellLogCurveData.cpp b/ApplicationCode/ReservoirDataModel/RigWellLogCurveData.cpp
index 1ecb03904d..bf09fbd313 100644
--- a/ApplicationCode/ReservoirDataModel/RigWellLogCurveData.cpp
+++ b/ApplicationCode/ReservoirDataModel/RigWellLogCurveData.cpp
@@ -147,27 +147,25 @@ std::vector<double> RigWellLogCurveData::depths( RiaDefines::DepthTypeEnum depth
         return it->second;
     }
 
-    if ( m_rkbDiff != 0.0 )
+    if ( depthType == RiaDefines::TRUE_VERTICAL_DEPTH_RKB && m_depths.count( RiaDefines::TRUE_VERTICAL_DEPTH ) )
     {
-        if ( depthType == RiaDefines::TRUE_VERTICAL_DEPTH_RKB && m_depths.count( RiaDefines::TRUE_VERTICAL_DEPTH ) )
+        std::vector<double> tvds = depths( RiaDefines::TRUE_VERTICAL_DEPTH );
+        for ( double& tvdValue : tvds )
         {
-            std::vector<double> tvds = depths( RiaDefines::TRUE_VERTICAL_DEPTH );
-            for ( double& tvdValue : tvds )
-            {
-                tvdValue += m_rkbDiff;
-            }
-            return tvds;
-        }
-        else if ( depthType == RiaDefines::TRUE_VERTICAL_DEPTH && m_depths.count( RiaDefines::TRUE_VERTICAL_DEPTH_RKB ) )
-        {
-            std::vector<double> tvds = depths( RiaDefines::TRUE_VERTICAL_DEPTH_RKB );
-            for ( double& tvdValue : tvds )
-            {
-                tvdValue -= m_rkbDiff;
-            }
-            return tvds;
+            tvdValue += m_rkbDiff;
         }
+        return tvds;
     }
+    else if ( depthType == RiaDefines::TRUE_VERTICAL_DEPTH && m_depths.count( RiaDefines::TRUE_VERTICAL_DEPTH_RKB ) )
+    {
+        std::vector<double> tvds = depths( RiaDefines::TRUE_VERTICAL_DEPTH_RKB );
+        for ( double& tvdValue : tvds )
+        {
+            tvdValue -= m_rkbDiff;
+        }
+        return tvds;
+    }
+
     return std::vector<double>();
 }