diff --git a/prepare_dataset.py b/prepare_dataset.py
index d565d83..4fe0706 100644
--- a/prepare_dataset.py
+++ b/prepare_dataset.py
@@ -81,7 +81,7 @@ def main(annotations_path: Path, save_path: Path, no_split: bool, reduce: float)
 
                 if (output_path / f'{ann_id}.png').exists():
                     continue
-                img_cropped = crop_minAreaRect(img, *info['bounding_box'])
+                img_cropped = crop_minAreaRect(img, *eval(info['bounding_box']))
                 cv2.imwrite(str(output_path / f'{ann_id}.png'), img_cropped)
         json.dump(words, (output_path / 'words.json').open('w'))