diff --git a/python/sglang/srt/mem_cache/storage/mooncake_store/mooncake_store.py b/python/sglang/srt/mem_cache/storage/mooncake_store/mooncake_store.py
index a82a2a413..bef26257b 100644
--- a/python/sglang/srt/mem_cache/storage/mooncake_store/mooncake_store.py
+++ b/python/sglang/srt/mem_cache/storage/mooncake_store/mooncake_store.py
@@ -159,6 +159,7 @@ class MooncakeStore(HiCacheStorage):
     def batch_set(
         self,
         keys: List[str],
+        values: Optional[List[torch.Tensor]] = None,
         target_location: Optional[List[int]] = None,
         target_sizes: Optional[List[int]] = None,
     ) -> bool: