diff --git a/scripts/v1_5-mix-medium-llama-on-kempner.sh b/scripts/v1_5-mix-medium-llama-on-kempner.sh
index 97160d4e5..40a6564a1 100644
--- a/scripts/v1_5-mix-medium-llama-on-kempner.sh
+++ b/scripts/v1_5-mix-medium-llama-on-kempner.sh
@@ -36,5 +36,6 @@ srun \
       --run_name=kempner_${SLURM_JOB_ID} \
       --save_folder=/n/holyscratch01/kempner_lab/Lab/checkpoints/${SLURM_JOB_ID}/ \
       --data.num_workers=4 \
+      --device_train_microbatch_size=6 \
       --time_limit=$((167 * 60 * 60)) \
       ${@}