diff --git a/block/src/fixed_vhd_async.rs b/block/src/fixed_vhd_async.rs
index 5f4c6d842..5b15d5207 100644
--- a/block/src/fixed_vhd_async.rs
+++ b/block/src/fixed_vhd_async.rs
@@ -10,7 +10,7 @@ use vmm_sys_util::eventfd::EventFd;
 use crate::async_io::{
     AsyncIo, AsyncIoError, AsyncIoResult, BorrowedDiskFd, DiskFile, DiskFileError, DiskFileResult,
 };
-use crate::error::{BlockError, BlockResult, ErrorOp};
+use crate::error::{BlockError, BlockErrorKind, BlockResult, ErrorOp};
 use crate::fixed_vhd::FixedVhd;
 use crate::raw_async::RawFileAsync;
 use crate::{BatchRequest, BlockBackend, disk_file};
@@ -57,6 +57,17 @@ impl disk_file::DiskSize for FixedVhdDiskAsync {
     }
 }
 
+impl disk_file::PhysicalSize for FixedVhdDiskAsync {
+    fn physical_size(&self) -> BlockResult<u64> {
+        self.0.physical_size().map_err(|e| match e {
+            crate::Error::GetFileMetadata(io) => {
+                BlockError::new(BlockErrorKind::Io, crate::Error::GetFileMetadata(io))
+            }
+            _ => BlockError::new(BlockErrorKind::Io, e),
+        })
+    }
+}
+
 pub struct FixedVhdAsync {
     raw_file_async: RawFileAsync,
     size: u64,