diff --git a/wres-config/src/wres/config/yaml/DeclarationInterpolator.java b/wres-config/src/wres/config/yaml/DeclarationInterpolator.java
index b65dcfb8a..b68ee757c 100644
--- a/wres-config/src/wres/config/yaml/DeclarationInterpolator.java
+++ b/wres-config/src/wres/config/yaml/DeclarationInterpolator.java
@@ -950,6 +950,7 @@ private static Outputs.GraphicFormat getGraphicsFormatOptions( Outputs.GraphicFo
         }
         // Valid date pools?
         else if ( ( Objects.nonNull( builder.validDatePools() )
+                    || Objects.nonNull( builder.eventDetection() )
                     || DeclarationInterpolator.hasExplicitValidDatePools( builder.timePools() ) )
                   && options.getShape() == Outputs.GraphicFormat.GraphicShape.DEFAULT )
         {
diff --git a/wres-vis/src/wres/vis/charts/ChartFactory.java b/wres-vis/src/wres/vis/charts/ChartFactory.java
index 85b386fe4..9b486c151 100644
--- a/wres-vis/src/wres/vis/charts/ChartFactory.java
+++ b/wres-vis/src/wres/vis/charts/ChartFactory.java
@@ -2365,7 +2365,8 @@ private static ChartType getChartType( MetricConstants metricName,
         Objects.requireNonNull( metricName );
 
         // Pooling window case
-        if ( graphicShape == GraphicShape.ISSUED_DATE_POOLS || graphicShape == GraphicShape.VALID_DATE_POOLS )
+        if ( graphicShape == GraphicShape.ISSUED_DATE_POOLS
+             || graphicShape == GraphicShape.VALID_DATE_POOLS )
         {
             return ChartType.POOLING_WINDOW;
         }