diff --git a/runs/frontier-fidelity-envelope-v1/run_qwen235_v020_true_mixed_profiles.sh b/runs/frontier-fidelity-envelope-v1/run_qwen235_v020_true_mixed_profiles.sh
index 6f7e47c..7afb48f 100755
--- a/runs/frontier-fidelity-envelope-v1/run_qwen235_v020_true_mixed_profiles.sh
+++ b/runs/frontier-fidelity-envelope-v1/run_qwen235_v020_true_mixed_profiles.sh
@@ -24,7 +24,7 @@ cd "${FRONTIER_SOURCE}"
 
 profile() {
   local gpu="$1" method="$2" tp="$3" root="$4"
-  env CUDA_VISIBLE_DEVICES="${gpu}" PYTHONPATH="${FRONTIER_SOURCE}" \
+  env CUDA_VISIBLE_DEVICES="${gpu}" VLLM_KV_CACHE_LAYOUT=NHD PYTHONPATH="${FRONTIER_SOURCE}" \
     "${VENV_ROOT}/bin/python" -m frontier.profiling.attention.main \
       --disable_ray --num_gpus 1 --device h20 --output_dir "${root}" --models "${MODEL}" \
       --num_tensor_parallel_workers "${tp}" --max_model_len 40960 --max_seq_len 40960 \