diff --git a/block/src/raw_async.rs b/block/src/raw_async.rs
index 4efff45e9..b5ae8f50a 100644
--- a/block/src/raw_async.rs
+++ b/block/src/raw_async.rs
@@ -18,6 +18,7 @@ use crate::{
     BatchRequest, DiskTopology, RequestType, SECTOR_SIZE, probe_sparse_support, query_device_size,
 };
 
+#[derive(Debug)]
 pub struct RawFileDisk {
     file: File,
 }