diff --git a/pyFTS/models/incremental/Retrainer.py b/pyFTS/models/incremental/Retrainer.py
index e8f9f54..50af370 100644
--- a/pyFTS/models/incremental/Retrainer.py
+++ b/pyFTS/models/incremental/Retrainer.py
@@ -42,6 +42,7 @@ class Retrainer(fts.FTS):
         self.partitioner = self.partitioner_method(data=data, **self.partitioner_params)
         self.model = self.fts_method(partitioner=self.partitioner, order=self.order, **self.fts_params)
         self.model.fit(data, **kwargs)
+        self.shortname = self.model.shortname
 
     def forecast(self, data, **kwargs):
         l = len(data)
@@ -75,4 +76,4 @@ class Retrainer(fts.FTS):
 
         :return: number of rules
         """
-        return len(self.model)
\ No newline at end of file
+        return len(self.model)