diff --git a/main.py b/main.py
index 85301bc..e5fe7f6 100644
--- a/main.py
+++ b/main.py
@@ -658,7 +658,7 @@ if __name__ == "__main__":
 
         grid = GridSearchCV(estimator=estimator, param_grid=paramsGrid, n_jobs=-1, cv=1)
         data = np.array(model.triples['train'])
-        data = np.random.choice(np.arange(len(data)), size=int(len(data) * 0.2), replace=False)
+        data = data[np.random.choice(np.arange(len(data)), size=int(len(data) * 0.2), replace=False)]
         dataloader = iter(DataLoader(
                 TrainDataset(data, model.p),
                 batch_size=len(data),