diff --git a/vllm_ascend/distributed/kvpool/backend/mooncake_backend.py b/vllm_ascend/distributed/kvpool/backend/mooncake_backend.py
index 6fb0d259..5a9f2a4b 100644
--- a/vllm_ascend/distributed/kvpool/backend/mooncake_backend.py
+++ b/vllm_ascend/distributed/kvpool/backend/mooncake_backend.py
@@ -94,8 +94,8 @@ class MooncakeStoreConfig:
             global_segment_size=_parse_global_segment_size(
                 config.get("global_segment_size",
                            DEFAULT_GLOBAL_SEGMENT_SIZE)),
-            local_buffer_size=(config.get("local_buffer_size",
-                                          DEFAULT_LOCAL_BUFFER_SIZE)),
+            local_buffer_size=_parse_global_segment_size(
+                config.get("local_buffer_size", DEFAULT_LOCAL_BUFFER_SIZE)),
             protocol=config.get("protocol", "tcp"),
             device_name=config.get("device_name", ""),
             master_server_address=config.get("master_server_address"))