diff --git a/drivers/md/dm-android-verity.c b/drivers/md/dm-android-verity.c
index c3c9502baf18..c521df010ee3 100644
--- a/drivers/md/dm-android-verity.c
+++ b/drivers/md/dm-android-verity.c
@@ -645,6 +645,8 @@ static int add_as_linear_device(struct dm_target *ti, char *dev)
 	android_verity_target.iterate_devices = dm_linear_iterate_devices,
 	android_verity_target.io_hints = NULL;
 
+	set_disk_ro(dm_disk(dm_table_get_md(ti->table)), 0);
+
 	err = dm_linear_ctr(ti, DM_LINEAR_ARGS, linear_table_args);
 
 	if (!err) {