diff --git a/sklearn_crfsuite/estimator.py b/sklearn_crfsuite/estimator.py
index 298e20e..85509c2 100644
--- a/sklearn_crfsuite/estimator.py
+++ b/sklearn_crfsuite/estimator.py
@@ -263,6 +263,8 @@ def __init__(self,
         self.averaging = averaging
         self.variance = variance
         self.gamma = gamma
+        self.model_filename = model_filename
+        self.keep_tempfiles = keep_tempfiles
 
         self.modelfile = FileResource(
             filename=model_filename,