diff --git a/ApplicationLibCode/Commands/SummaryPlotCommands/RicPasteAsciiDataToSummaryPlotFeature.cpp b/ApplicationLibCode/Commands/SummaryPlotCommands/RicPasteAsciiDataToSummaryPlotFeature.cpp
index d00f21b663..07771cb6ec 100644
--- a/ApplicationLibCode/Commands/SummaryPlotCommands/RicPasteAsciiDataToSummaryPlotFeature.cpp
+++ b/ApplicationLibCode/Commands/SummaryPlotCommands/RicPasteAsciiDataToSummaryPlotFeature.cpp
@@ -180,11 +180,11 @@ std::vector<RimAsciiDataCurve*> RicPasteAsciiDataToSummaryPlotFeature::parseCurv
         curve->setValues( parser.columnInfo( i )->values );
         if ( curvePrefix.isEmpty() )
         {
-            curve->setTitle( QString::fromStdString( col->columnName() ) );
+            curve->setCustomName( QString::fromStdString( col->columnName() ) );
         }
         else
         {
-            curve->setTitle( QString( "%1: %2" ).arg( curvePrefix ).arg( QString::fromStdString( col->columnName() ) ) );
+            curve->setCustomName( QString( "%1: %2" ).arg( curvePrefix ).arg( QString::fromStdString( col->columnName() ) ) );
         }
         // Appearance
         curve->setSymbol( parseOptions.curveSymbol );
diff --git a/ApplicationLibCode/ProjectDataModel/RimPlotCurve.cpp b/ApplicationLibCode/ProjectDataModel/RimPlotCurve.cpp
index 2a87cd874e..13433e3c11 100644
--- a/ApplicationLibCode/ProjectDataModel/RimPlotCurve.cpp
+++ b/ApplicationLibCode/ProjectDataModel/RimPlotCurve.cpp
@@ -789,6 +789,9 @@ void RimPlotCurve::updateLegendsInPlot()
     }
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
 void RimPlotCurve::setTitle( const QString& title )
 {
     if ( m_plotCurve ) m_plotCurve->setTitle( title );
diff --git a/ApplicationLibCode/ProjectDataModel/RimPlotCurve.h b/ApplicationLibCode/ProjectDataModel/RimPlotCurve.h
index 91fea83e54..14a6d94ac4 100644
--- a/ApplicationLibCode/ProjectDataModel/RimPlotCurve.h
+++ b/ApplicationLibCode/ProjectDataModel/RimPlotCurve.h
@@ -121,7 +121,7 @@ public:
     virtual bool xValueRange( double* minimumValue, double* maximumValue ) const;
     virtual bool yValueRange( double* minimumValue, double* maximumValue ) const;
 
-    virtual void setTitle( const QString& title );
+    void setTitle( const QString& title );
 
     int                        dataSize() const;
     std::pair<double, double>  sample( int index ) const;
diff --git a/ApplicationLibCode/ProjectDataModel/Summary/RimAsciiDataCurve.cpp b/ApplicationLibCode/ProjectDataModel/Summary/RimAsciiDataCurve.cpp
index 472756fd5f..9378567723 100644
--- a/ApplicationLibCode/ProjectDataModel/Summary/RimAsciiDataCurve.cpp
+++ b/ApplicationLibCode/ProjectDataModel/Summary/RimAsciiDataCurve.cpp
@@ -19,6 +19,7 @@
 #include "RimAsciiDataCurve.h"
 
 #include "RiaDefines.h"
+
 #include "RimEclipseResultCase.h"
 #include "RimProject.h"
 #include "RimSummaryCase.h"
@@ -48,7 +49,7 @@ RimAsciiDataCurve::RimAsciiDataCurve()
     CAF_PDM_InitFieldNoDefault( &m_values, "Values", "Values" );
     m_values.uiCapability()->setUiEditorTypeName( caf::PdmUiListEditor::uiEditorTypeName() );
 
-    CAF_PDM_InitFieldNoDefault( &m_title, "Title", "Title" );
+    CAF_PDM_InitFieldNoDefault( &m_title_OBSOLETE, "Title", "Title" );
 
     setSymbolSkipDistance( 10.0f );
     setLineThickness( 2 );
@@ -103,14 +104,6 @@ RiuPlotAxis RimAsciiDataCurve::yAxis() const
     return RiuPlotAxis( m_plotAxis() );
 }
 
-//--------------------------------------------------------------------------------------------------
-///
-//--------------------------------------------------------------------------------------------------
-QString RimAsciiDataCurve::createCurveAutoName()
-{
-    return m_title();
-}
-
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
@@ -192,6 +185,23 @@ void RimAsciiDataCurve::defineUiOrdering( QString uiConfigName, caf::PdmUiOrderi
     uiOrdering.skipRemainingFields( true );
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RimAsciiDataCurve::initAfterRead()
+{
+    if ( RimProject::current()->isProjectFileVersionEqualOrOlderThan( "2024.09.2" ) &&
+         ( m_namingMethod() == RiaDefines::ObjectNamingMethod::AUTO ) )
+    {
+        setCustomName( m_title_OBSOLETE );
+    }
+    else
+    {
+        // Use default curve name defined in base class. CUSTOM is the only valid naming method for this class, see calculateValueOptions()
+        setCustomName( createCurveAutoName() );
+    }
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
@@ -216,14 +226,6 @@ void RimAsciiDataCurve::setValues( const std::vector<double>& values )
     m_values = values;
 }
 
-//--------------------------------------------------------------------------------------------------
-///
-//--------------------------------------------------------------------------------------------------
-void RimAsciiDataCurve::setTitle( const QString& title )
-{
-    m_title = title;
-}
-
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
@@ -256,3 +258,17 @@ void RimAsciiDataCurve::fieldChangedByUi( const caf::PdmFieldHandle* changedFiel
         plot->updateAxes();
     }
 }
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+QList<caf::PdmOptionItemInfo> RimAsciiDataCurve::calculateValueOptions( const caf::PdmFieldHandle* fieldNeedingOptions )
+{
+    QList<caf::PdmOptionItemInfo> options;
+    if ( fieldNeedingOptions == &m_namingMethod )
+    {
+        options.push_back( caf::PdmOptionItemInfo( caf::AppEnum<RiaDefines::ObjectNamingMethod>::uiText( RiaDefines::ObjectNamingMethod::CUSTOM ),
+                                                   RiaDefines::ObjectNamingMethod::CUSTOM ) );
+    }
+    return options;
+}
diff --git a/ApplicationLibCode/ProjectDataModel/Summary/RimAsciiDataCurve.h b/ApplicationLibCode/ProjectDataModel/Summary/RimAsciiDataCurve.h
index c1647cedcd..75624c9db9 100644
--- a/ApplicationLibCode/ProjectDataModel/Summary/RimAsciiDataCurve.h
+++ b/ApplicationLibCode/ProjectDataModel/Summary/RimAsciiDataCurve.h
@@ -53,20 +53,17 @@ public:
 
     void setTimeSteps( const std::vector<QDateTime>& timeSteps );
     void setValues( const std::vector<double>& values );
-    void setTitle( const QString& title ) override;
-
-protected:
-    // RimPlotCurve overrides
-
-    QString createCurveAutoName() override;
-    void    updateZoomInParentPlot() override;
-    void    onLoadDataAndUpdate( bool updateParentPlot ) override;
-    void    defineUiOrdering( QString uiConfigName, caf::PdmUiOrdering& uiOrdering ) override;
 
 private:
+    void updateZoomInParentPlot() override;
+    void onLoadDataAndUpdate( bool updateParentPlot ) override;
+    void defineUiOrdering( QString uiConfigName, caf::PdmUiOrdering& uiOrdering ) override;
+    void initAfterRead() override;
+
     bool curveData( std::vector<QDateTime>* timeSteps, std::vector<double>* values ) const;
 
     void fieldChangedByUi( const caf::PdmFieldHandle* changedField, const QVariant& oldValue, const QVariant& newValue ) override;
+    QList<caf::PdmOptionItemInfo> calculateValueOptions( const caf::PdmFieldHandle* fieldNeedingOptions ) override;
 
 private:
     // Fields
@@ -74,5 +71,5 @@ private:
 
     caf::PdmField<std::vector<QDateTime>> m_timeSteps;
     caf::PdmField<std::vector<double>>    m_values;
-    caf::PdmField<QString>                m_title;
+    caf::PdmField<QString>                m_title_OBSOLETE;
 };