diff --git a/library/train_util.py b/library/train_util.py
index 576fc5d8..55eeb316 100644
--- a/library/train_util.py
+++ b/library/train_util.py
@@ -1071,7 +1071,7 @@ class DreamBoothDataset(BaseDataset):
                         assert len(lines) > 0, f"caption file is empty / キャプションファイルが空です: {cap_path}"
                         caption = lines[0].strip()
                     break
-             return caption
+            return caption
 
         def load_dreambooth_dir(subset: DreamBoothSubset):
             if not os.path.isdir(subset.image_dir):