diff --git a/pyart/xradar/accessor.py b/pyart/xradar/accessor.py
index 9d876d6572..b9efd7ea63 100644
--- a/pyart/xradar/accessor.py
+++ b/pyart/xradar/accessor.py
@@ -18,8 +18,8 @@
         DataTree,
         formatting,
         formatting_html,
-        register_datatree_accessor,
     )
+    from datatree.extensions import register_datatree_accessor
     from datatree.treenode import NodePath
 
 from xarray import DataArray, Dataset, concat