diff --git a/drivers/most/core.c b/drivers/most/core.c
index e4412c7d25b0..f13d0e14a48b 100644
--- a/drivers/most/core.c
+++ b/drivers/most/core.c
@@ -499,7 +499,7 @@ static int most_match(struct device *dev, struct device_driver *drv)
 		return 1;
 }
 
-static struct bus_type mostbus = {
+static const struct bus_type mostbus = {
 	.name = "most",
 	.match = most_match,
 };