diff --git a/backend/app/routers/translate.py b/backend/app/routers/translate.py
index fd68f65..69e75b2 100644
--- a/backend/app/routers/translate.py
+++ b/backend/app/routers/translate.py
@@ -596,8 +596,10 @@ async def download_translated_pdf(
     try:
         # Get source file path for images if available
         source_file_path = None
-        if task.file_path and Path(task.file_path).exists():
-            source_file_path = Path(task.file_path)
+        if task.files and len(task.files) > 0:
+            stored_path = task.files[0].stored_path
+            if stored_path and Path(stored_path).exists():
+                source_file_path = Path(stored_path)
 
         success = pdf_generator_service.generate_translated_pdf(
             result_json_path=result_json_path,