diff --git a/mayanmindee/worker.py b/mayanmindee/worker.py
index c97c4a5..fa6cbb6 100644
--- a/mayanmindee/worker.py
+++ b/mayanmindee/worker.py
@@ -269,7 +269,7 @@ def process_custom(document_id: int, document_type: str, synchronous: False) ->
 
     for field_name, metadata_mappings in required_fields.items():
         try:
-            result = parsed_doc.document.inference.prediction.fields[field_name].contents_string()
+            result = parsed_doc.document.inference.prediction.fields[field_name].value
         except:
             result = parsed_doc.document.inference.prediction.classifications[field_name].value
         for metadata_mapping in metadata_mappings: