diff --git a/oats/models/_darts_model.py b/oats/models/_darts_model.py
index 058357f..db1e623 100644
--- a/oats/models/_darts_model.py
+++ b/oats/models/_darts_model.py
@@ -234,7 +234,7 @@ def get_scores(
         i_preds = self.transformer.inverse_transform(i_preds).pd_dataframe().to_numpy()
 
         self._preds = i_preds
-        self._resudual = residual
+        self._residual = residual
 
         return anom