diff --git a/vllm_ascend/ops/rotary_embedding.py b/vllm_ascend/ops/rotary_embedding.py
index 0dbe940..0c2a00a 100644
--- a/vllm_ascend/ops/rotary_embedding.py
+++ b/vllm_ascend/ops/rotary_embedding.py
@@ -82,7 +82,7 @@ def native_rope_deepseek_forward(self,
                                  offsets: Optional[torch.Tensor] = None,
                                  max_seq_len: Optional[int] = None):
     if max_seq_len is not None and max_seq_len > self.max_seq_len:
-        self._set_cos_sin_cache(max_seq_len, query.device, query.dtype)
+        _set_cos_sin_cache(self, max_seq_len, query.device, query.dtype)
     if len(key.shape) == 2:
         key = key[:, None, :]
     # Note: we implement the non neox_style method with shuffle the last dim and neox style