diff --git a/libs/community/langchain_community/document_loaders/unstructured.py b/libs/community/langchain_community/document_loaders/unstructured.py
index bc056ca7025..f990fd185e2 100644
--- a/libs/community/langchain_community/document_loaders/unstructured.py
+++ b/libs/community/langchain_community/document_loaders/unstructured.py
@@ -213,7 +213,7 @@ def get_elements_from_api(
         from unstructured.partition.api import partition_via_api
 
         return partition_via_api(
-            filename=str(file_path),
+            filename=str(file_path) if file_path is not None else None,
             file=file,
             api_key=api_key,
             api_url=api_url,