diff --git a/vllm/model_executor/layers/fused_moe/deepep_ht_prepare_finalize.py b/vllm/model_executor/layers/fused_moe/deepep_ht_prepare_finalize.py
index 2bbe523b4bf98..2a3ae478f3eab 100644
--- a/vllm/model_executor/layers/fused_moe/deepep_ht_prepare_finalize.py
+++ b/vllm/model_executor/layers/fused_moe/deepep_ht_prepare_finalize.py
@@ -49,14 +49,14 @@ class DeepEPHTPrepareAndFinalize(mk.FusedMoEPrepareAndFinalize):
         return torch.int64
 
     def _get_dispatch_config(self) -> Optional[deep_ep.Config]:
-        if self.dp_size not in self.available_rank_configs:
+        if self.num_dispatchers_ not in self.available_rank_configs:
             return None
-        return deep_ep.Buffer.get_dispatch_config(self.dp_size)
+        return deep_ep.Buffer.get_dispatch_config(self.num_dispatchers_)
 
     def _get_combine_config(self) -> Optional[deep_ep.Config]:
-        if self.dp_size not in self.available_rank_configs:
+        if self.num_dispatchers_ not in self.available_rank_configs:
             return None
-        return deep_ep.Buffer.get_combine_config(self.dp_size)
+        return deep_ep.Buffer.get_combine_config(self.num_dispatchers_)
 
     def _do_dispatch(
         self,