diff --git a/training/configs/external_generalisation/math_curriculum_qwen_7b.yaml b/training/configs/external_generalisation/math_curriculum_qwen_7b.yaml
index 842f5ac7..037df31c 100644
--- a/training/configs/external_generalisation/math_curriculum_qwen_7b.yaml
+++ b/training/configs/external_generalisation/math_curriculum_qwen_7b.yaml
@@ -90,7 +90,7 @@ actor_rollout_ref:
     grad_clip: 1.0
     clip_ratio: 0.2
     entropy_coeff: 0.001
-    use_kl_loss: True # True for GRPO
+    use_kl_loss: False # True for GRPO
     kl_loss_coef: 0.001 # for grpo
     kl_loss_type: low_var_kl # for grpo
     ppo_epochs: 1