diff --git a/run_ds.sh b/run_ds.sh
index 5e045ef..d5551db 100755
--- a/run_ds.sh
+++ b/run_ds.sh
@@ -21,7 +21,7 @@ DATA_GLOB="${DATA_GLOB:-$HOME/datasets/my_corpus/train.jsonl}"
 EVAL_DATA_GLOB="${EVAL_DATA_GLOB:-$HOME/datasets/my_corpus/test.jsonl}"
 
 OUTDIR="${OUTDIR:-$HOME/checkpoints/run-qwen3-8b}"
-SEQ_LEN="${SEQ_LEN:-4096}"
+SEQ_LEN="${SEQ_LEN:-1024}"
 LR="${LR:-2e-5}"
 GAS="${GAS:-1}"
 LOG_STEPS="${LOG_STEPS:-10}"