diff --git a/src/parxy_core/drivers/unstructured_local.py b/src/parxy_core/drivers/unstructured_local.py
index 6315419..440759d 100644
--- a/src/parxy_core/drivers/unstructured_local.py
+++ b/src/parxy_core/drivers/unstructured_local.py
@@ -99,6 +99,9 @@ def _handle(
                 details=wex.value,
             ) from wex
 
+        if not res:
+            return Document(filename=filename, language='en', pages=[])
+
         return unstructured_to_parxy(doc=res, level=level)