diff --git a/multimodal/boosting/combo.py b/multimodal/boosting/combo.py
index 47c7c59c0e7ff8cc60e82dcd143661a404be2a6f..c5be4a1bfbda7f9dc43a30123fc3f8535f738ea7 100644
--- a/multimodal/boosting/combo.py
+++ b/multimodal/boosting/combo.py
@@ -450,6 +450,7 @@ class MuComboClassifier(BaseEnsemble, ClassifierMixin, UBoosting):
         self.n_classes_ = len(self.classes_)
         self.n_views_ = n_views
         self.n_features_ = self.X_.shape[1]
+        self.n_features_in_ = self.n_features_ 
         if self.n_classes_ == 1:
             # This case would lead to division by 0 when computing the cost
             # matrix so it needs special handling (but it is an obvious case as