diff --git a/cognee/modules/data/processing/document_types/UnstructuredDocument.py b/cognee/modules/data/processing/document_types/UnstructuredDocument.py
index 62632cd08..8da065ff5 100644
--- a/cognee/modules/data/processing/document_types/UnstructuredDocument.py
+++ b/cognee/modules/data/processing/document_types/UnstructuredDocument.py
@@ -8,7 +8,7 @@ from cognee.modules.data.exceptions import UnstructuredLibraryImportError
 class UnstructuredDocument(Document):
     type: str = "unstructured"
 
-    def read(self, chunk_size: int):
+    def read(self, chunk_size: int, chunker = str) -> str:
         def get_text():
             try:
                 from unstructured.partition.auto import partition