diff --git a/chebai/trainer/CustomTrainer.py b/chebai/trainer/CustomTrainer.py
index 874d6b35..2ecee680 100644
--- a/chebai/trainer/CustomTrainer.py
+++ b/chebai/trainer/CustomTrainer.py
@@ -25,7 +25,7 @@ def __init__(self, *args, **kwargs):
         """
         self.init_args = args
         self.init_kwargs = kwargs
-        super().__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs, deterministic=True)
         # instantiation custom logger connector
         self._logger_connector.on_trainer_init(self.logger, 1)
         # log additional hyperparameters to wandb