diff --git a/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryCurve.cpp b/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryCurve.cpp
index cf39322b24..5d44bf886c 100644
--- a/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryCurve.cpp
+++ b/ApplicationLibCode/ProjectDataModel/Summary/RimSummaryCurve.cpp
@@ -1433,7 +1433,7 @@ void RimSummaryCurve::updateTimeAnnotations()
 void RimSummaryCurve::updateLegendEntryVisibilityNoPlotUpdate()
 {
     if ( !m_plotCurve ) return;
-    if ( !firstAncestorOrThisOfType<RimEnsembleCurveSet>() ) return;
+    if ( firstAncestorOrThisOfType<RimEnsembleCurveSet>() ) return;
 
     bool showLegendInPlot = m_showLegend();
     if ( auto summaryPlot = firstAncestorOrThisOfType<RimSummaryPlot>() )