diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index a0485db..95e484c 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -794,7 +794,7 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
         is_write = 1;
         break;
     case 0x35:
-        DPRINTF("Synchronise cache (sector %d, count %d)\n", lba, len);
+        DPRINTF("Synchronise cache (sector %lld, count %d)\n", lba, len);
         bdrv_flush(s->bdrv);
         break;
     case 0x43:
@@ -896,7 +896,7 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag,
         r->iov.iov_len = 16;
         break;
     case 0x2f:
-        DPRINTF("Verify (sector %d, count %d)\n", lba, len);
+        DPRINTF("Verify (sector %lld, count %d)\n", lba, len);
         break;
     default:
 	DPRINTF("Unknown SCSI command (%2.2x)\n", buf[0]);