diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index 8abc7d022ff7..4295c01a2861 100644
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -605,7 +605,7 @@ static void rpmsg_dev_remove(struct device *dev)
 		rpmsg_destroy_ept(rpdev->ept);
 }
 
-static struct bus_type rpmsg_bus = {
+static const struct bus_type rpmsg_bus = {
 	.name		= "rpmsg",
 	.match		= rpmsg_dev_match,
 	.dev_groups	= rpmsg_dev_groups,