diff --git a/dipy/segment/mask.py b/dipy/segment/mask.py
index de80720f25..fd3f2736e4 100644
--- a/dipy/segment/mask.py
+++ b/dipy/segment/mask.py
@@ -8,7 +8,7 @@
 
 from scipy.ndimage.filters import median_filter
 try:
-    from skimage.filter import threshold_otsu as otsu
+    from skimage.filters import threshold_otsu as otsu
 except:
     from .threshold import otsu