1 files changed, 1 insertions, 1 deletions
diff --git a/include/hw/usb/msd.h b/include/hw/usb/msd.h
index 7538c54569..54e9f38bda 100644
--- a/include/hw/usb/msd.h
+++ b/include/hw/usb/msd.h
@@ -17,7 +17,7 @@ enum USBMSDMode {
     USB_MSDM_CSW /* Command Status.  */
 };
 
-struct usb_msd_csw {
+struct QEMU_PACKED usb_msd_csw {
     uint32_t sig;
     uint32_t tag;
     uint32_t residue;