diff --git a/TrainerClass.py b/TrainerClass.py
index f6027e8..570089b 100644
--- a/TrainerClass.py
+++ b/TrainerClass.py
@@ -204,7 +204,7 @@ class eNoseTrainer:
         node = os.uname()[1]
         X_xboost, Y_xboost, G_xboost = self.loader.load_dataset_xboost()
 
-        gss = StratifiedGroupKFold(n_splits=int(1/self.ratio), random_state=get_seed())
+        gss = StratifiedGroupKFold(n_splits=int(1/self.ratio), shuffle=True, random_state=get_seed())
 
         dataset = 'Tabular'
         os.makedirs('{}/{}/{}'.format(self.name, self.target, dataset), exist_ok=True)