diff --git a/docling/pipeline/base_model_pipeline.py b/docling/pipeline/base_model_pipeline.py
index c89f0549..7e3f9fea 100644
--- a/docling/pipeline/base_model_pipeline.py
+++ b/docling/pipeline/base_model_pipeline.py
@@ -61,7 +61,7 @@ class AbstractModelPipeline(ABC):
     def _enrich_document(
         self, in_doc: InputDocument, conv_res: ConversionResult
     ) -> ConversionResult:
-        pass
+        return conv_res
 
     @abstractmethod
     def _determine_status(