diff --git a/block.c b/block.c
index 3ec6624cb7..700431d5e9 100644
--- a/block.c
+++ b/block.c
@@ -3054,9 +3054,6 @@ static void bdrv_close(BlockDriverState *bs)
     bdrv_flush(bs);
     bdrv_drain(bs); /* in case flush left pending I/O */
 
-    bdrv_release_named_dirty_bitmaps(bs);
-    assert(QLIST_EMPTY(&bs->dirty_bitmaps));
-
     if (bs->drv) {
         BdrvChild *child, *next;
 
@@ -3094,6 +3091,9 @@ static void bdrv_close(BlockDriverState *bs)
         bs->full_open_options = NULL;
     }
 
+    bdrv_release_named_dirty_bitmaps(bs);
+    assert(QLIST_EMPTY(&bs->dirty_bitmaps));
+
     QLIST_FOREACH_SAFE(ban, &bs->aio_notifiers, list, ban_next) {
         g_free(ban);
     }