diff --git a/pyFTS/models/multivariate/wmvfts.py b/pyFTS/models/multivariate/wmvfts.py
index 4c075eb..a944970 100644
--- a/pyFTS/models/multivariate/wmvfts.py
+++ b/pyFTS/models/multivariate/wmvfts.py
@@ -69,6 +69,8 @@ class WeightedMVFTS(mvfts.MVFTS):
         self.shortname = "WeightedMVFTS"
         self.name = "Weighted Multivariate FTS"
         self.has_classification = True
+        self.class_weigths : dict = kwargs.get("class_weights", {})
+        
 
     def generate_flrg(self, flrs):
         for flr in flrs:
@@ -98,7 +100,7 @@ class WeightedMVFTS(mvfts.MVFTS):
                     for k,v in _flrg.RHS.items():
                         classification[k] += (v / _flrg.count) * mb
                 
-            classification = activation(classification)
+            classification = activation(classification, self.class_weigths)
 
             ret.append(classification)