1 files changed, 1 insertions, 1 deletions

diff --git a/src/setup/MetadataTask/GenerateMetadata.cs b/src/setup/MetadataTask/GenerateMetadata.cs
index efe4ee39..65e6f7a4 100644
--- a/src/setup/MetadataTask/GenerateMetadata.cs
+++ b/src/setup/MetadataTask/GenerateMetadata.cs
@@ -19,7 +19,7 @@ namespace WixToolset.Tasks
         private static readonly JsonSerializerOptions SerializerOptions = new JsonSerializerOptions
         {
             PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
-            IgnoreNullValues = true,
+            DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
             WriteIndented = true,
             Converters = { new JsonStringEnumConverter(JsonNamingPolicy.CamelCase) },
         };