diff --git a/ApplicationCode/ProjectDataModel/Summary/RimSummaryCurveAutoName.cpp b/ApplicationCode/ProjectDataModel/Summary/RimSummaryCurveAutoName.cpp
index b94b181d27..2cd03a7725 100644
--- a/ApplicationCode/ProjectDataModel/Summary/RimSummaryCurveAutoName.cpp
+++ b/ApplicationCode/ProjectDataModel/Summary/RimSummaryCurveAutoName.cpp
@@ -70,7 +70,7 @@ QString RimSummaryCurveAutoName::curveNameY(const RifEclipseSummaryAddress& summ
 
     if (m_vectorName)
     {
-        bool skipSubString = nameHelper && nameHelper->isQuantityInTitle();
+        bool skipSubString = nameHelper && nameHelper->isPlotDisplayingSingleQuantity();
         if (!skipSubString)
         {
             text += summaryAddress.quantityName();
@@ -132,7 +132,7 @@ QString RimSummaryCurveAutoName::curveNameX(const RifEclipseSummaryAddress& summ
 
     if (m_vectorName)
     {
-        bool skipSubString = nameHelper && nameHelper->isQuantityInTitle();
+        bool skipSubString = nameHelper && nameHelper->isPlotDisplayingSingleQuantity();
         if (!skipSubString)
         {
             text += summaryAddress.quantityName();
diff --git a/ApplicationCode/ProjectDataModel/Summary/RimSummaryPlotNameHelper.cpp b/ApplicationCode/ProjectDataModel/Summary/RimSummaryPlotNameHelper.cpp
index e20b651947..ef8f462c80 100644
--- a/ApplicationCode/ProjectDataModel/Summary/RimSummaryPlotNameHelper.cpp
+++ b/ApplicationCode/ProjectDataModel/Summary/RimSummaryPlotNameHelper.cpp
@@ -152,9 +152,9 @@ QString RimSummaryPlotNameHelper::plotTitle() const
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
-bool RimSummaryPlotNameHelper::isQuantityInTitle() const
+bool RimSummaryPlotNameHelper::isPlotDisplayingSingleQuantity() const
 {
-    return !m_titleQuantity.empty();
+    return m_analyzer.quantities().size() == 1;
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -236,7 +236,6 @@ void RimSummaryPlotNameHelper::extractPlotTitleSubStrings()
 {
     clearTitleSubStrings();
 
-    auto quantities     = m_analyzer.quantities();
     auto wellNames      = m_analyzer.wellNames();
     auto wellGroupNames = m_analyzer.wellGroupNames();
     auto regions        = m_analyzer.regionNumbers();
@@ -245,10 +244,7 @@ void RimSummaryPlotNameHelper::extractPlotTitleSubStrings()
 
     if (categories.size() == 1)
     {
-        if (quantities.size() == 1)
-        {
-            m_titleQuantity = *(quantities.begin());
-        }
+        m_titleQuantity = m_analyzer.quantityNameForTitle();
 
         if (wellNames.size() == 1)
         {
diff --git a/ApplicationCode/ProjectDataModel/Summary/RimSummaryPlotNameHelper.h b/ApplicationCode/ProjectDataModel/Summary/RimSummaryPlotNameHelper.h
index b9c5d372d9..f8148dcdf4 100644
--- a/ApplicationCode/ProjectDataModel/Summary/RimSummaryPlotNameHelper.h
+++ b/ApplicationCode/ProjectDataModel/Summary/RimSummaryPlotNameHelper.h
@@ -49,7 +49,7 @@ public:
 
     QString plotTitle() const;
 
-    bool isQuantityInTitle() const;
+    bool isPlotDisplayingSingleQuantity() const;
     bool isWellNameInTitle() const;
     bool isWellGroupNameInTitle() const;
     bool isRegionInTitle() const;