diff --git a/preprocess/preprocessor.py b/preprocess/preprocessor.py
index 0fccce1..08f7dfd 100644
--- a/preprocess/preprocessor.py
+++ b/preprocess/preprocessor.py
@@ -23,9 +23,9 @@ def save_target_points(root, scene, frame_idx, target_points: np.ndarray, file_t
     save_np_pts(pts_path, target_points, file_type)
 
 def save_target_normals(root, scene, frame_idx, target_normals: np.ndarray, file_type="txt"):
-    pts_path = os.path.join(root,scene, "normals", f"{frame_idx}.{file_type}")
-    if not os.path.exists(os.path.join(root,scene, "normals")):
-        os.makedirs(os.path.join(root,scene, "normals"))
+    pts_path = os.path.join(root,scene, "nrm", f"{frame_idx}.{file_type}")
+    if not os.path.exists(os.path.join(root,scene, "nrm")):
+        os.makedirs(os.path.join(root,scene, "nrm"))
     save_np_pts(pts_path, target_normals, file_type)
     
 def save_scan_points_indices(root, scene, frame_idx, scan_points_indices: np.ndarray, file_type="txt"):