diff --git a/python/pyspark/sql/streaming/stateful_processor_api_client.py b/python/pyspark/sql/streaming/stateful_processor_api_client.py
index 490ae184c273f..99be6afa446ee 100644
--- a/python/pyspark/sql/streaming/stateful_processor_api_client.py
+++ b/python/pyspark/sql/streaming/stateful_processor_api_client.py
@@ -516,14 +516,11 @@ def normalize_value(v: Any) -> Any:
                 else:
                     return v
 
-            converted = [normalize_value(v) for v in data]
+            converted = tuple(normalize_value(v) for v in data)
         else:
-            converted = list(data)
+            converted = data
 
-        field_names = [f.name for f in schema.fields]
-        row_value = Row(**dict(zip(field_names, converted)))
-
-        return self.pickleSer.dumps(schema.toInternal(row_value))
+        return self.pickleSer.dumps(schema.toInternal(converted))
 
     def _deserialize_from_bytes(self, value: bytes) -> Any:
         return self.pickleSer.loads(value)