diff --git a/unredact/app.py b/unredact/app.py
index 3196adb..7e499e8 100644
--- a/unredact/app.py
+++ b/unredact/app.py
@@ -93,6 +93,7 @@ async def upload_pdf(file: UploadFile):
         page_data[i] = {
             "original": page_img,
             "analysis": None,
+            "ocr_lines": None,
         }
 
     _docs[doc_id] = {