From 9b64f6f3595c2d983765d84c7afb161ee2c9a1b0 Mon Sep 17 00:00:00 2001
From: Baidu-AIAK <Baidu_AIAK@163.com>
Date: Wed, 19 Nov 2025 06:17:33 +0800
Subject: [PATCH] [fix] Fixes accuracy issues caused by incorrect use of rope
 (#13495)

---
 python/sglang/srt/layers/attention/nsa/nsa_indexer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/sglang/srt/layers/attention/nsa/nsa_indexer.py b/python/sglang/srt/layers/attention/nsa/nsa_indexer.py
index 7868ff060..69d4b4a04 100644
--- a/python/sglang/srt/layers/attention/nsa/nsa_indexer.py
+++ b/python/sglang/srt/layers/attention/nsa/nsa_indexer.py
@@ -168,7 +168,7 @@ class Indexer(CustomOp):
             max_position=max_position_embeddings,
             base=rope_theta,  # type: ignore
             rope_scaling=rope_scaling,
-            is_neox_style=False,
+            is_neox_style=True,
             device=get_global_server_args().device,
         )
         self.block_size = block_size