diff --git a/block.c b/block.c
index 6a805ff..be7dc5d 100644
--- a/block.c
+++ b/block.c
@@ -4918,6 +4918,7 @@
     qdict_del(bs->options, "backing");
 
     bdrv_refresh_limits(bs, NULL, NULL);
+    bdrv_refresh_total_sectors(bs, bs->total_sectors);
 }
 
 /*