diff --git a/src/llmtuner/webui/runner.py b/src/llmtuner/webui/runner.py
index b64a015c..77d5ea98 100644
--- a/src/llmtuner/webui/runner.py
+++ b/src/llmtuner/webui/runner.py
@@ -222,7 +222,7 @@ class Runner:
             quantization_bit=int(get("top.quantization_bit")) if get("top.quantization_bit") in ["8", "4"] else None,
             template=get("top.template"),
             rope_scaling=get("top.rope_scaling") if get("top.rope_scaling") in ["linear", "dynamic"] else None,
-            flash_attn=(get("top.booster") == "flashattn"),
+            flash_attn="fa2" if get("top.booster") == "flashattn2" else "auto",
             use_unsloth=(get("top.booster") == "unsloth"),
             dataset_dir=get("eval.dataset_dir"),
             dataset=",".join(get("eval.dataset")),