diff --git a/art/defences/preprocessor/spatial_smoothing.py b/art/defences/preprocessor/spatial_smoothing.py
index 30a26a4ce8..9485571030 100644
--- a/art/defences/preprocessor/spatial_smoothing.py
+++ b/art/defences/preprocessor/spatial_smoothing.py
@@ -30,7 +30,7 @@
 from typing import Optional, Tuple
 
 import numpy as np
-from scipy.ndimage.filters import median_filter
+from scipy.ndimage import median_filter
 
 from art.utils import CLIP_VALUES_TYPE
 from art.defences.preprocessor.preprocessor import Preprocessor