diff --git a/hw/block/block.c b/hw/block/block.c
index af0710e477..9f52ee6e72 100644
--- a/hw/block/block.c
+++ b/hw/block/block.c
@@ -39,8 +39,7 @@ static int blk_pread_nonzeroes(BlockBackend *blk, hwaddr size, void *buf)
             return ret;
         }
         if (!(ret & BDRV_BLOCK_ZERO)) {
-            ret = bdrv_pread(bs->file, offset, bytes,
-                             (uint8_t *) buf + offset, 0);
+            ret = blk_pread(blk, offset, bytes, (uint8_t *) buf + offset, 0);
             if (ret < 0) {
                 return ret;
             }