diff --git a/configs/ismcts/default.yaml b/configs/ismcts/default.yaml
index d9b8e28..bd1a3ed 100644
--- a/configs/ismcts/default.yaml
+++ b/configs/ismcts/default.yaml
@@ -28,7 +28,7 @@ mcts:
   virtual_loss_value: 5.0
   eval_n_simulations: 16
   rollout_policy: heuristic_balanced
-  use_rollout_value: true
+  use_rollout_value: false
   root_dirichlet_alpha: 0.3
   root_dirichlet_epsilon: 0.4
 temperature: