diff --git a/dots_ocr/parser.py b/dots_ocr/parser.py
index 8ce95e1..1f084d9 100755
--- a/dots_ocr/parser.py
+++ b/dots_ocr/parser.py
@@ -416,6 +416,7 @@ def main():
         args.input_path, 
         prompt_mode=args.prompt,
         bbox=args.bbox,
+        fitz_preprocess=True,
         )