diff --git a/src/OpenTelemetry.Exporter.Console/ConsoleActivityExporter.cs b/src/OpenTelemetry.Exporter.Console/ConsoleActivityExporter.cs
index d0f60d64b23..a9cabd11389 100644
--- a/src/OpenTelemetry.Exporter.Console/ConsoleActivityExporter.cs
+++ b/src/OpenTelemetry.Exporter.Console/ConsoleActivityExporter.cs
@@ -73,7 +73,11 @@ public override ExportResult Export(in Batch<Activity> batch)
             var options = new JsonSerializerOptions
             {
                 WriteIndented = true,
-                IgnoreNullValues = true,
+                #if NETSTANDARD || NETFRAMEWORK
+                    IgnoreNullValues = true,
+                #else
+                DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
+                #endif
                 Converters = { new JsonStringEnumConverter(), },
             };