diff --git a/block/mirror.c b/block/mirror.c
index 6dc27ad35d..5b2c119e61 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -482,7 +482,6 @@ immediate_exit:
         }
         bdrv_swap(s->target, s->common.bs);
     }
-    bdrv_close(s->target);
     bdrv_unref(s->target);
     block_job_completed(&s->common, ret);
 }