diff --git a/block/src/vhdx_sync.rs b/block/src/vhdx_sync.rs
index 7a009bfdf..9f1e952c2 100644
--- a/block/src/vhdx_sync.rs
+++ b/block/src/vhdx_sync.rs
@@ -66,6 +66,8 @@ impl disk_file::DiskFd for VhdxDiskSync {
     }
 }
 
+impl disk_file::Geometry for VhdxDiskSync {}
+
 impl DiskFile for VhdxDiskSync {
     fn logical_size(&mut self) -> DiskFileResult<u64> {
         Ok(self.vhdx_file.lock().unwrap().virtual_disk_size())