diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index 005fa3e..8528990 100644
--- a/drivers/dax/bus.c
+++ b/drivers/dax/bus.c
@@ -1218,6 +1218,7 @@ struct dev_dax *devm_create_dev_dax(struct dev_dax_data *data)
 
 	dev_dax->dax_dev = dax_dev;
 	dev_dax->target_node = dax_region->target_node;
+	dev_dax->align = dax_region->align;
 	ida_init(&dev_dax->ida);
 	kref_get(&dax_region->kref);