diff --git a/python/sglang/srt/layers/attention/deepseek_v4_backend_hip_radix.py b/python/sglang/srt/layers/attention/deepseek_v4_backend_hip_radix.py
index e7055bb2a..cabc08389 100644
--- a/python/sglang/srt/layers/attention/deepseek_v4_backend_hip_radix.py
+++ b/python/sglang/srt/layers/attention/deepseek_v4_backend_hip_radix.py
@@ -492,7 +492,7 @@ class DeepseekV4HipRadixBackend(
             page_size=self.page_size,
             page_table=core_attn_metadata.page_table,
             c4_seq_lens=core_attn_metadata.c4_topk_lengths_raw,
-            use_topk_v2=False,
+            use_topk_v2=self.dsa_topk_backend.should_use_topk_v2(),
         )
 
     def init_forward_metadata_decode(