diff --git a/block/mq-deadline.c b/block/mq-deadline.c
index 5528347b5fcf..754f6b7415cd 100644
--- a/block/mq-deadline.c
+++ b/block/mq-deadline.c
@@ -834,7 +834,7 @@ STORE_INT(deadline_fifo_batch_store, &dd->fifo_batch, 0, INT_MAX);
 #define DD_ATTR(name) \
 	__ATTR(name, 0644, deadline_##name##_show, deadline_##name##_store)
 
-static struct elv_fs_entry deadline_attrs[] = {
+static const struct elv_fs_entry deadline_attrs[] = {
 	DD_ATTR(read_expire),
 	DD_ATTR(write_expire),
 	DD_ATTR(writes_starved),