diff --git a/vllm_ascend/distributed/kvpool/backend/mooncake_backend.py b/vllm_ascend/distributed/kvpool/backend/mooncake_backend.py
index 5a9f2a4b..e29c619a 100644
--- a/vllm_ascend/distributed/kvpool/backend/mooncake_backend.py
+++ b/vllm_ascend/distributed/kvpool/backend/mooncake_backend.py
@@ -96,7 +96,7 @@ class MooncakeStoreConfig:
                            DEFAULT_GLOBAL_SEGMENT_SIZE)),
             local_buffer_size=_parse_global_segment_size(
                 config.get("local_buffer_size", DEFAULT_LOCAL_BUFFER_SIZE)),
-            protocol=config.get("protocol", "tcp"),
+            protocol=config.get("protocol", "ascend"),
             device_name=config.get("device_name", ""),
             master_server_address=config.get("master_server_address"))