diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 1ee675d28d25..d3c0cc377ed9 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -980,7 +980,7 @@ static unsigned int loop_default_blocksize(struct loop_device *lo,
 		struct block_device *backing_bdev)
 {
 	/* In case of direct I/O, match underlying block size */
-	if ((lo->lo_backing_file->f_flags & O_DIRECT) && backing_bdev)
+	if ((lo->lo_flags & LO_FLAGS_DIRECT_IO) && backing_bdev)
 		return bdev_logical_block_size(backing_bdev);
 	return SECTOR_SIZE;
 }