diff --git a/hw/usb-msd.c b/hw/usb-msd.c
index 09a6a33..87c306e 100644
--- a/hw/usb-msd.c
+++ b/hw/usb-msd.c
@@ -124,7 +124,7 @@ static const uint8_t qemu_msd_config_descriptor[] = {
        0x05,       /*  u8  ep_bDescriptorType; Endpoint */
        0x81,       /*  u8  ep_bEndpointAddress; IN Endpoint 1 */
        0x02,       /*  u8  ep_bmAttributes; Bulk */
-       0x40, 0x00, /*  u16 ep_wMaxPacketSize; */
+       0x00, 0x02, /*  u16 ep_wMaxPacketSize; */
        0x00,       /*  u8  ep_bInterval; */

        /* Bulk-Out endpoint */
@@ -132,7 +132,7 @@ static const uint8_t qemu_msd_config_descriptor[] = {
        0x05,       /*  u8  ep_bDescriptorType; Endpoint */
        0x02,       /*  u8  ep_bEndpointAddress; OUT Endpoint 2 */
        0x02,       /*  u8  ep_bmAttributes; Bulk */
-       0x40, 0x00, /*  u16 ep_wMaxPacketSize; */
+       0x00, 0x02, /*  u16 ep_wMaxPacketSize; */
        0x00        /*  u8  ep_bInterval; */
 };