From 8f45a52fcac3c6979eef02718e43a8fff395eef7 Mon Sep 17 00:00:00 2001
From: shermp <14854761+shermp@users.noreply.github.com>
Date: Wed, 2 Jan 2019 17:12:17 +1300
Subject: [PATCH] Make sure we are reading the sector bitmap

---
 minivhd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/minivhd.c b/minivhd.c
index 1899939..e0dff00 100644
--- a/minivhd.c
+++ b/minivhd.c
@@ -703,6 +703,7 @@ int vhd_write_sectors(VHDMeta *vhdm, FILE *f, int offset, int nr_sectors, void *
                         buff_ptr += VHD_SECTOR_SZ;
                         if (vhdm->type == VHD_DIFF)
                         {
+                                vhd_read_sector_bitmap(vhdm, f, curr_blk);
                                 VHD_SETBIT(vhdm->sparse_bitmap_arr[curr_blk].bitmap, sib);
                         }
                 }