diff --git a/src/Kiota.Builder/Refiners/PythonRefiner.cs b/src/Kiota.Builder/Refiners/PythonRefiner.cs
index 01d54a9fdd..08d804cb3b 100644
--- a/src/Kiota.Builder/Refiners/PythonRefiner.cs
+++ b/src/Kiota.Builder/Refiners/PythonRefiner.cs
@@ -20,7 +20,7 @@ public override Task Refine(CodeNamespace generatedCode, CancellationToken cance
             ConvertUnionTypesToWrapper(generatedCode,
                 _configuration.UsesBackingStore,
                 static s => s,
-                true,
+                false,
                 $"{SerializationModuleName}",
                 "ComposedTypeWrapper"
             );