diff --git a/app_async/src/main.rs b/app_async/src/main.rs
index 1c705f3..6577fcd 100644
--- a/app_async/src/main.rs
+++ b/app_async/src/main.rs
@@ -145,7 +145,7 @@ async fn main() {
 }
 
 async fn read_from_db(id: u32) -> Option<Question> {
-    let reader: async_db::Reader<Question> = async_db::Reader::new(NEW_DB_FILENAME, 2048)
+    let reader: async_db::Reader<Question> = async_db::Reader::new(NEW_DB_FILENAME)
         .await
         .expect("new db reader");