diff --git a/python/sglang/srt/managers/scheduler.py b/python/sglang/srt/managers/scheduler.py
index a0c2997fe..53e9b02e3 100644
--- a/python/sglang/srt/managers/scheduler.py
+++ b/python/sglang/srt/managers/scheduler.py
@@ -558,7 +558,11 @@ class Scheduler(
                 self.tree_cache = HiRadixCache(
                     req_to_token_pool=self.req_to_token_pool,
                     token_to_kv_pool_allocator=self.token_to_kv_pool_allocator,
-                    tp_cache_group=self.tp_cpu_group,
+                    tp_cache_group=(
+                        self.attn_tp_cpu_group
+                        if self.server_args.enable_dp_attention
+                        else self.tp_cpu_group
+                    ),
                     page_size=self.page_size,
                     hicache_ratio=server_args.hicache_ratio,
                     hicache_size=server_args.hicache_size,