diff --git a/pyFTS/models/hwang.py b/pyFTS/models/hwang.py
index 6f862d7..dbfb050 100644
--- a/pyFTS/models/hwang.py
+++ b/pyFTS/models/hwang.py
@@ -19,6 +19,10 @@ class HighOrderFTS(fts.FTS):
         self.detail = "Hwang"
 
     def forecast(self, ndata, **kwargs):
+        
+        if 'order' in kwargs:
+            self.order = kwargs.get('order',self.order)
+            self.max_lag = self.order
 
         if self.sets == None:
             self.sets = self.partitioner.sets
@@ -57,4 +61,4 @@ class HighOrderFTS(fts.FTS):
         return ret
 
     def train(self, data, **kwargs):
-        pass
\ No newline at end of file
+        pass