diff --git a/src/Aspire.Dashboard/Components/Controls/PlotlyChart.razor.cs b/src/Aspire.Dashboard/Components/Controls/PlotlyChart.razor.cs
index 33d5a12e2d1..e2b40538ceb 100644
--- a/src/Aspire.Dashboard/Components/Controls/PlotlyChart.razor.cs
+++ b/src/Aspire.Dashboard/Components/Controls/PlotlyChart.razor.cs
@@ -373,6 +373,13 @@ private static bool TryCalculatePoint(List<DimensionScope> dimensions, DateTime
             pointValue += dimensionValue;
         }
 
+        // JS interop doesn't support serializing NaN values.
+        if (double.IsNaN(pointValue))
+        {
+            pointValue = default;
+            return false;
+        }
+
         return hasValue;
     }