diff --git a/block/src/vhdx_sync.rs b/block/src/vhdx_sync.rs
index 3eb8a91be..48d25714e 100644
--- a/block/src/vhdx_sync.rs
+++ b/block/src/vhdx_sync.rs
@@ -80,6 +80,8 @@ impl disk_file::Resizable for VhdxDiskSync {
     }
 }
 
+impl disk_file::DiskFile for VhdxDiskSync {}
+
 impl DiskFile for VhdxDiskSync {
     fn logical_size(&mut self) -> DiskFileResult<u64> {
         Ok(self.vhdx_file.lock().unwrap().virtual_disk_size())