diff --git a/src/storage/src/hummock/store/hummock_storage.rs b/src/storage/src/hummock/store/hummock_storage.rs
index a67bbe8cfc513..a4bafcdb99c07 100644
--- a/src/storage/src/hummock/store/hummock_storage.rs
+++ b/src/storage/src/hummock/store/hummock_storage.rs
@@ -296,7 +296,7 @@ impl HummockStorage {
                                 .cloned()
                                 .collect_vec()
                         })
-                        .unwrap_or(Vec::new())
+                        .unwrap_or_default()
                 };
 
                 // When the system has just started and no state has been created, the memory state